.
UNIT TEST 1
Date 13/04/16
1.Which of the following is not a property of crystalline solid?
a) high m.p.
b)definite order
c) anisotropic d) isotropic
2. .Which of the following compounds is an example of network solid?
a)Corrundum
b)Carborundum
c)
Dry ice
d) Ice
3. NaCl is doped with 2 x 10-3 mole % of SrCl2. The concentration of cation vacancies is (a) 6.02 x 108per mol
(b) 12.04 x 1018 per mol
(c) 3.01 x 1018 per mol
(d) 12.04 x 1020per mol
4. How many octahedral voids are there per sphere in a c.c.p structure.?
(a) 4
(b) 2
(c) 1
(d) 6
5. F - centres are (a) The electrons trapped in anionic vacancies
(b) The electrons trapped in cation vaccancies
(c) Non equivalent sites of stoichiometric compounds
(d)all
6. A metal crystallizes with a face-centered cubic lattice. The edge of the unit cell is 408 pm. The
diameter of the metal atom is
[CBSE AIPMT 2012]
a)144pm
b)204pm
c) 288pm
d)408pm
7. The appearance of colour in solid alkali metal halides is generally due to
[CBSE AIPMT 2006]
a)Schottky defect
b)Frenkel defect
c)Interstitial position
d)F-centres
8. Total volume of atoms present in face-centred cubic unit cell of metal is (r is atomic radius)
[AIEEE 2006]
1
24/3r3
b)
12/3r3
c)
16/3r3
d)
20/3r3
9 A metal has a fcc lattice. The edge length of the unit cell is 404 pm. The density of the metal
is 2.72 g cm–3. The molar mass of the metal is
a)40 u
b)30u
c)27 u
d)20u
10 AB is an ionic solid. If the ratio of ionic radii of A+ and B– is 0.52. What is the coordination
number of B–?
a)6
b)3
c) 2
d) 8
11. The efficiency of packing is 68% in
a) hcp structure
b) ccp structure
c)
fcc structure
d) bcc structure
12. The white ZnO turns yellow on heating because of
a) Frenkel defect
b)Metal excess defect c)Metal deficiency defect d)Schottky defect
13. NaCl is a/an
a) ionic solid
b)covalent solid
c)metallic solid
d)molecular solid
14.ABAB….. type is also called as
a)hcp
b)ccp
c)both
d)none
15. ABCABC….. type is also called as
a)hcp
b)ccp
c)both
d)none
16.In CsCl one Cs+ ion is surrounded by ……………Cl- ion
a)4
b)6
c)8
d)12
17.Packing fraction of simple cubic unit cell is ?
𝜋
6
𝑏)
√3𝜋
8
√2 𝜋
6
𝑐)
𝑑)
𝜋
8
18. In Ni.98O1.00 the % of Ni2+ is
a)96
b)4
c)98
2
d)none
19. In Schottky defect , the density of the crystal ……….
a) increases
b)decreases
c) does not change
d)all
20. In Frenkel defect , the density of the crystal ……….
a) increases
b)decreases
c) does not change
d)all
21. There are …….Bravais lattices.
a) 12
b)14
c)8
d)10
22.The axial dimension α≠β≠ϒ and a≠b≠c is for…..unit cell
a)cubic
b)monoclinic
c)triclinic
d)none
23.Most symmetric unit cell is of …….type
a)cubic
b)hexagonal
c) rhombohedral d)triclinic
24.Most un symmetric unit cell is of …….type
a)cubic
b)hexagonal
c) rhombohedral d)triclinic
25. Rock salt has radius ratio
a).165
b).365
c).648
d).225
……………………………………….. the end……………………………………………….
z
1. The number of particle present in b.c.c unit cell is
a) 1
b)2
c)4
d)none
2. Which of concentration mode is independent of temperature
a) molarity
b) % by mass
c) molality
d) both b & c
c)1.5
d) 2.85
3. molality of 10%by mass of urea solution is
a)1.85
b)2.25
3
4
In .p-type semiconductor, doping is done by group ………….element
a)13
b) 15
c)14
d) none
5. Which of the following is ferromagnetic
a) TiO2
b)Cu2O
c) CrO2
d) none
6. Define molality .
7. Define crystal lattice .
8. What is semiconductor ?
9.Define unit cell.
10. How molality differs from molarity?
11. What is Schottky defect?
12. Give reason why ZnO crystal becomes yellow on heating .
13. Why LiCI crystal becomes pink with excess of lithium ?
Or
define F-centre.
14. Differentiate between Crystalline and amorphous solid .
15.Find the molarity of H2SO4 solution when 49g of H2SO4 is dissolved in its 250 ml of
solution.
16. Calculate the normality of a semimolar dibasic acid solution .
17. Define ……
a) paramagnetism
b) ferromagnetism
c)diamagnetism
………………….the end………………………
4
16/05/16
TEST SERIES.3
1.A solution of sucrose (molar mass = 342 g mol-1) has been prepared by dissolving 68.5 g of
sucrose in 100 g of water. The freezing point of the solution obtained will be (Kf for water = 1.86 K
kg mol-1)
[CBSE AIPMT 2010]
a)+ 0.372°C
b) – 0.570°C
c)– 0.372°C
d)– 0.520°C
2. 58.5 gm of NaCl and 180 gm of glucose were separately dissolved in 1000 ml of water. Identify
the correct statement regarding the elevation of boiling point (b.p.) of the resulting solutions.
[West Bengal JEE]
a) NaCl solution will show higher elevation of b.p.
b) Glucose solution will show higher elevation of b.p.
c) Both the solutions will show equal elevation of b.p.
d) The b.p. elevation will be shown by neither of the solutions
5
3. The density (in g mL–1) of a 3.60 M sulphuric acid solution that is 29% H2SO4 (molar mass = 98
g mol–1) by mass will be
a)1.64
b)1.88
c)1.22
d)1.95
4. Molality of an aqueous solution that produces an elevation of boiling point of 1.00 K at 1 atm
pressure (Kb for water = 0.512 K. Kg . mol–1)
a)0.512 m
b)0.915 m
c) 1.95 m
d)5.12 m
5. X is dissolved in water. Maximum boiling point is observed when X is ... (0.1 M each):
[AIPMT05]
a)CaSO4
b)BaCl2
c)NaCl
d)urea
6. An aqueous solution of glucose is 20% in strength. The volume in which 1 mole of it is dissolved
will be
a)8L
b)1.8L
c)9L
d)0.9L
7. During osmosis, flow of water through a semipermeable membrane is
a)from both sides of semipermeable membrane with equal flow rates
b)from both sides of the semipermeable membrane with unequal flow rates
c)from solution having lower concentration only
d) from solution having higher concentration only
8.Which of the following is colligative property ?
a) vapour pressure b) boiling point
c) freezing point
9. For Schottky defect
a)Co-ordination number of ion should be high
c) both
d) osmotic pressure
b )size difference of ion should be low
d) none
10.What is molality of CH3OH in mixture of 0.1moles of CH3OH and100g of water ?
a)1.0m
b).10m
c)3.2m
d)32m
11.when two different solutions are separated by semipermeable membrane then
a) the solution with higher concentration of solute increases in volume
b) the solution with lower concentration of solute increases in volume
c)both solution will increase in volume
d)both solution will decrease in volume
12.What is freezing point 0.5m glucose solution (aq)?
a) .950C
b)-.950C
c) .520C
d)-.520C
13.Which aqueous solution has lowest boiling point
a) .1m C2H5OH solution
b) .2m glucose solution
6
c) .2m K2SO4 solution
d).2m FeCl3
14. .Which aqueous solution has highest boiling point
a) .1m C2H5OH solution
c) .2m K2SO4 solution
b) .2m glucose solution
d).2m FeCl3
15. Addition of solute has largest effect on which colligative property ?
a)osmotic pressure b) freezing point
c)boiling point d) the effect is same for each
16. How will an increase in temperature affect vapour pressure of solution ?
a) increase
b) decrease
c) stay the same d) none
17. The crystal with metal deficiency defect is
a)NaCl
b)FeO
c)KCl
d)ZnO
18. Total number of tetrahedral and octahedral voids in 0.5 mol of a compound forming hcp
structure are:
a)6.022 × 1023
b)3.011 × 1023
c)9.033 × 1023
d)4.516 × 1023
19. Fog is the colloidal sol of
a) solid in liquid
b) liquid in gas
c) gas in gas
d)none
20 When solute mole fraction is very less amount in a solution , concentration is represented
by
a) ppm
b)molality
c) molarity
d) mole fraction
21.Vapour pressure of an liquid depends on
a) temperature b)nature of solute dissolved
c) molar mass of solute d) none
22. Henry’s law is related to
a)solubility of gas in liquid b) solubility of solid in liquid c) both d) none
23. Henry’s constant has unit equal to unit of
a) temperature
b) pressure
c) mass
d) none
24. The solubility of gas in liquid decreases with increase in temperature because
a)henry’s constant increases
b) henry’s constant decreases c) both d) none
25. Human breath and O2 dissolution in blood is related to
a)osmotic pressure
b)Henry’s law c)lowering of vapour pressure d) none
7
............ .. the end ………
TEST SERIES -4
XII
CHEMISTRY
BASED ON JAC RANCHI
All questions are compulsory
General instructions
Q.no.1-5 are mcq of 1 mark each
Q.no. 6-10 are very short answer type question of 1 mark each
Q. no.11-12 are short answer type question of 2 marks each
Q. no.13-14 are short answer type question of 3 marks each
Q.no.15-17 are long answer type question of 5 marks each
1.Radioactive disintegration is of ………..reaction
a) 1st order
b)zero order
c) pseudo 1st order
d) none
2. Vant’Hoff factor for K4[Fe(CN)6] is
a) 10
b) 5
c)3
d)2
3 For a first order reaction (A) → products the concentration of A changes from 0.1M to 0.025 M
in 40minutes.The rate of reaction when the concentration of A is 0.01 M is:
[AIEEE 2012]
a) 1.73 × 10–5 M/min
c)3.47 × 10–5 M/min
b) 3.47 × 10–4 M/min
d)1.73 × 10–4 M/min
4. The time required for 100% completion of a zero order reaction is [Karnataka CET 2011]
[𝑅.]
a)
b)[R0]k
c)2K/[R0]
d) [R0]/K
2𝑘
8
5.ccp lattice has close packing fraction equal to
a).74
b).68
c).54
d)none
6.Define VantHoff factor .
7.What is zero order reaction ?
8.What is ebbulioscopic constant ?What is its value for water?
9.Define reverse osmosis.
10.Define ppm.
11.What is the freezing point of water in a decimolal solution ?
12. Identify the reaction order from each of the following rate constants.
(i) k = 2.3 × 10–5 L mol–1 s–1
(ii) k = 3 × 10–4 s–1
13. What is half life period? Derive its value for zero order reaction .
14. For a reaction, A + B → Product; the rate law is given by, r = k [ A] 1 [B]2
What is the unit of rate constant of reaction ?
15 Derive integrated rate law equation for given reaction
2NH3( g) Pt catalyst
N2 (g) +3H2 (g )
1130 K
16. State Roult’s law for ….
a) nonvolatile and b)volatile solute
17.Derive relation between ‘ r’ and ‘a’ of body centered cubic lattice .
……………………………The end ……………………………
9
1. Calculate the ionic radius of a Cs+ion assuming the cell edge length for CsCl is 0.4123 nm
and that the ionic radius of a Cl- ion is 0.181 nm.
(a) 0.176 nm
(b) 0.231 nm
(c) 0.358 nm
(d) 0.116 nm
2. F - centres are (a) The electrons trapped in anionic vacancies
(b) The electrons trapped in cation vacancies
(c) Non equivalent sites of stoichiometric compounds
(d) All of the above
3. The van’t Hoff factor of CaCl2 is
(a) 1
(b) 2
(c)3
(d) 4
4. Schottky defect in crystals is observed when .
[CBSE PMT 1998; ]
a) Density of crystal is increased
b) An ion leaves its normal site and occupies an interstitial site
c) Unequal number of cations and anions are missing from the lattice
d) Equal number of cations and anions are missing from the lattice
5. The crystal system of a compound with unit cell dimensions a = 0.387 , b = 0.387 and
c= 0.504 and α=β=900 and γ = 1200.
[AIIMS 2004]
(a) Cubic
(b) Orthorhombic
(c)Hexagonal
(d)Rhombohedral
6. What is the molarity of a NaNO3 solution made by diluting 250.0 mL of a 1.60 M solution to
a final volume of 400. mL?
(a) 1.20 M
(b). 1.00 M
(c). 0.200 M
(d). 0.160 M
7. How many moles of C12H22O11 are needed to prepare 2.50 L of 0.300 M solution?
(a)0.750 mol
(b). 0.430 mol
(c) 8.33 mol
(d). 1.20 mol
8. The molal boiling point constant is the ration of the elevation of boiling point to
(a)Molarity (b)Molality
(c)More fraction of solvent
(d)Mole fraction of solute
9.. Arrhenius equation is
(a) k = A e -Ea /RT
(b) k = A e -Ea /R
(c) both
10
(d) none
10. The reaction: A → B follows first order kinetics. The time taken for 0.8 mol of A to
produce 0.6 mol of B is 1 hour. What is the time taken for conversion of 0.9 mol of A to
produce 0.675 mol of B?
a)
b)
c)
d)
1 hour
2 hour
0.5 hour
0.25 hour
11. The rate of a chemical reaction doubles for every 10°C rise of temperature. If the
temperature is raised by 50°C, the rate of the reaction increases by about
a)
b)
c)
d)
24 times
10 times
64 times
32 times
12. A reaction involving two different reactants can never be
a)
b)
c)
d)
First order reaction
Second order reaction
Unimolecular reaction
Bimolecular reaction
13. The packing efficiency of the two dimensional square unit cell shown is
[IIT-JEE 2010]
(a)
39.27%
(b)68.02%
(c)74.05%
(d)78.54%
14. A solid has 3 types of atoms namely x, y and z, x forms a fcc lattice with y atoms occupying all
the tetrahedral voids and z atoms occupying half the octohedral voids. The formula of the solid is 11
(a) X2Y4Z
(b) XY2Z2
(c) X4Y2Z
(d) X4YZ2
15. The freezing point (in °C) of a solution containing 0.1 g of K3[Fe(CN)6] (Mol. Wt. 329)
in 100 g water
(Kf = 1.86 K kg mol–1) is [IIT JEE 2011]
–2
a)–2.3 × 10
b)–5.7 × 10–2
c)–5.7 × 10–3
d)–1.2 × 10–2
16
The IUPAC name of (CH3)2CHCHBrCH3 is
a) 2-Bromo-3-methylbutane
b) 2-Bromo-3-methylpropane
c) 1-Bromo-2-methylbutane
d) none
17. (CH3)3CCH2Br is of …………… halide
a) 10
b)20
c)30
d) none
18. the compound CH3CH=C(Cl)CH2CH(CH3) is
a) allyl halide
b) vinyl halide
c) aryl halide
d) none
c) aryl halide
d) none
19. p-Bromochlorobenzene is
a) allyl halide
b) vinyl halide
20. which of the following is tetra halo compound
a)CH2Cl2
21
b) (ii) CHCl3
c)(iii) CCl4
d)none
2,2,3-Trimethyl-3-bromopentane. Is ……..halide
a) 10
b)20
c)30
d) none
22. The Henry's law constant for the solubility of N2 gas in water at 298 K is 1.0 X 105 atm. The
mole fraction of N2 in air is 0.8. The number of moles of N2 from air dissolved in 10 moles of
water at 298 K and 5 atm pressure is
[IIT JEE 2009]
a)4.0 .10-4
b)4.0 .10-5
c)5.0. 10-4
12
d) 4.0 .10-6
23 The mass of non - volatile solute of molar mass 40 g mol-1 that should be dissolved in
114 g of octane to lower its vapour pressure by 20 % is
a)10g
b)11.4g
c) 9.8 g
d) 12.8g
24. A sugar solution is
a) homogeneous mixture
b) heterogeneous mixture
c) both d) none
25. The degree of dissociation () of a weak electrolyte, A x By is related to van't Hoff factor
¡ by the expression is .
𝑥+𝑦+1
a)  =
𝑖−1
b)  =
𝑖−1
𝑥+𝑦+1
𝑥+𝑦−1
c)  =
𝑖+1
d)  =
𝑖−1
𝑥+𝑦+1
The end
TEST SERIES
All questions are compulsory
General instructions
Q.no.1-5 are mcq of 1 mark each
Q.no. 6-10 are very short answer type question of 1 mark each
Q. no.11-12 are short answer type question of 2 marks each
Q. no.13-14 are short answer type question of 3 marks each
Q.no.15-17 are long answer type question of 5 marks each
1. Markovnikoff’s rule occur by
a) E+ substitution
b) E+ addition c)Nu- substitution
13
d)Nu-addition
2.Which carbocation is most stable
a) benzylic
c)30
b) allylic
d)20
3. AntiMarkovnikoff’s rule occur by
a)free radical addition
b) E+ addition
c)Nu- substitution
d)Nu-addition
4. The product of reaction of ethyl chloride with alc KOH is
a) ethene by α,β- addition
b)ethene by α,β- elimination
c)ethene by ϒ- elimination
d) none
5. Nuclear disintegration is
a) first order reaction
b)zero order reaction
c)both
d)none
6. which is the major product of given reaction
7. What is Grignard reagent ? Why it is prepared in anhydrous condition ?
8.What is First order reaction ? Give an example of it.
9.Draw the Structure of DDT and give IUPAC name of it .
10.What is reverse osmosis ? Give its application .
11. state
i) Wurtz reaction
ii)Sandmeyer reaction
12. What is Finkelstein reaction ?
13 Differentiate between order and molecularity of reaction .
14. Differentiate between Fenkel and Schottky defect .
14
15.Derive integrated rate equation of 1st order reaction .
16. convert
i) Ethene
to ethanol
ii) propene to propan-2-ol
17. Find the freezing point (in °C) of a solution containing 0.1 g of K3[Fe(CN)6] (Mol. Wt. 329)
in 100 g water.
(Kf = 1.86 K kg mol–1)
……………………………….the end ……………………………………
15
1.Which of the following is a property of amorphous solid?
a) high m.p.
b)definite order
c) anisotropic
d) isotropic
2. .Which of the following compounds is an example of ionic solid?
a)Corrundum
b)Carborundum
c) rock salt
d) Ice
3. NaCl is doped with 2 x 10-3 mole % of SrCl2. The concentration of cation vacancies is (a) 6.02 x 108per mol
(b) 12.04 x 1018 per mol
(c) 3.01 x 1018 per mol
(d) 12.04 x 1020per mol
4. The appearance YELLOW colour in solid NaCI is generally due to
[CBSE AIPMT 2006]
a)Schottky defect
b)Frenkel defect
c)Interstitial position
d)F-centres
5. The degree of dissociation () of a weak electrolyte, A x By is related to van't Hoff factor
¡ by the expression is .
𝑥+𝑦+1
a)  =
𝑖−1
b)  =
𝑖−1
𝑥+𝑦−1
𝑥+𝑦+1
c)  =
𝑖+1
d)  =
𝑖−1
𝑥+𝑦+1
6. . Which of the following is Freon compound
a)CH2Cl2
b) (ii) CHCl3
c)(iii) CCl4
d) CCI2F2
7. 1. Markovnikoff’s rule occur by
a) E+ substitution
b) E+ addition c)Nu- substitution
d)Nu-addition
8..Which carbocation is most stable
a) benzylic
9. Friedal Craft reaction is
a) E+ substitution
c)30
b) allylic
d)20
an example of
b) E+ addition c)Nu- substitution
10. In nitration of cholorobenzene ,the electrophile is
a) Nitate ion b) nitronium ion c) nitite ion d) none
16
d)Nu-addition
11.Which is /are ambident nucleophile
a) CNb) NCc) both
d) none
12. The rate of a chemical reaction doubles for every 10°C rise of temperature. If the
temperature is raised by 50°C, the rate of the reaction increases by about
a)24 times
b)10 times
c)64 times
13. Racemization occur in
a)SN1
b) SN2
d)32 times
c)SNi
14.Walden inversion occur in
a)SN1
b) SN2
c)SNi
15. DDT
is optically
a) active
b) inactive
d) both
d) SNAr
d) SNAr
d) none
16. Nucleophilic substitution occur fast in
a) chlorobenzene
b)2-Nitrochlorobenzene c)2,4,6-Trinitrochlorobenzene d)none
17. The toxic gas related to chloroform is
a) phosgene
b)phosphine
c) ammonia
d) SO2
18.When chloroform reacts with Ag powder , the gas evolves is
a) phosgene
b)phosphine
c) ammonia
d)acetylene
19. . the compound CH3CH=C(Br)CH2CH(CH3) is
a) allyl halide
b) vinyl halide
c) aryl halide
20. DDT is prepared from
a) choloral
b) chlorine
c) Chloride
08/09/16
TEST SERIES
All questions are compulsory
General instructions
Q.no.1-5 are mcq of 1 mark each
Q.no. 6-10 are very short answer type question of mark each
17
d) none
d) none
Q. no.11 is short answer type question of 2 marks each
Q. no.12 is short answer type question of 3 marks each
Q.no.13 is long answer type question of 5 marks each
i)B2H6 /THF
1. CH3CH=CH2
ii) H2O2 /-OH
i) propan-1-ol
A,
A=?
ii) propan-2-ol
iii) butan-2-ol
iv) none
iii) butan-2-ol
iv)none
H3O+
2.
CH3CH=CH2
A,
i) propan-1-ol
A=?
ii) propan-2-ol
3.Cumene is
i) 10 alcohol
ii) 20alcohol
iii)30 alcohol
iv) none
4. When methanal reacts with C2H5MgCl followed by hydrolysis gives
i) propan-1-ol
ii) propan-2-ol
iii) butan-2-ol
iv) none
For the reaction
5.
CH3COOH
i) LiAlH4
A
ii) KMnO4
CH3CH2OH
,
iii) NaBH4
A
iv) both i & iii
6. Write reaction of cumene process of preparation of phenol .
7.How phenol is obtained from aniline ? Give reaction only .
8.What is molality ?Is it temperature dependent or not ?
9. What is pseudo first order reaction ? Give one example.
10 What is Paramagnetism ?
11.Complete the reaction
18
is /.are
CH3CH2OH
12. Give the structures and IUPAC names of the products expected from the following reactions:
(a) Catalytic reduction of butanal.
(b) Hydration of propene in the presence of dilute sulphuric acid.
(c) Reaction of propanone with methylmagnesium bromide followed
by hydrolysis.
13. How are the following conversions carried out?
(i) Propene → Propan-2-ol.
(ii) Benzyl chloride → Benzyl alcohol.
(iii) Ethyl magnesium chloride → Propan-1-ol.
(iv) Methyl magnesium bromide → 2-Methylpropan-2-ol.
(v)propene
Propan-1-ol
…………………………
The end
…………………………….
19
1. In the hydrolysis of an organic chloride in presence of large excess of water,
RCl + H2O → ROH + HCl
[West Bengal JEE 2010]
Molecularity and order of reaction both are 2
a)
b) Molecularity is 2 but order of reaction is 1
c) Molecularity is 1 but order of reaction is 2
d) Moecularity is 1 and order of reaction is also 1
.
2.For the reaction N2O5(g) → 2NO2(g) + O2(g) the value of rate of disappearance of N2O5 is
given as 6.25 × 10–3 mol L–1 s–1. The rate of formation of NO2 and O2 is given respectively
as:
[CBSE AIPMT 2010]
–3
–1 –1
–3
a)
6.25 × 10 mol L s and 3.125 × 10 mol L–1 s–1
b)
6.25 × 10–3 mol L–1 s–1 and 6.25 × 10–3 mol L–1 s–1
c)
6.25 × 10–3 mol L–1 s–1 and 6.25 × 10–3 mol L–1 s–1
d)
1.25 × 10–2 mol L–1 s–1 and 3.125 × 10–3 mol L–1 s–1
3.When phenol reacts with conc HNO3 ………….is obtained
a) anisole
b) picric acid c) salicylic acid d) salicyladehyde
4.The product of Kolbe’s reaction is
a) salicyladehyde b) salicylic acid
c) picric acid
d) none
5.The product of ReimerTiemann reaction is
a) salicyladehyde b) salicylic acid c) picric acid
d) none
6. . Which set of hybridization states of C1, C2, and C3 of the following molecule is correct?
a) sp2, sp2, sp2
b) sp2, sp2, sp
c) sp3, sp2, sp
d) sp3, sp2, sp2
7.The reagent which converts ethanol to ethanal is
a) PCC
b) CrO3
c) KMnO4
20
d) all
8.The reagent Which reduces ester to alcohol is/are
a) LiAlH4
b)NaBH4
c) both
d) none
9. Oxidation of Sec.alcohol by KMnO4 gives
a) aldehyde
b) ketone
c) carboxylic acid d) all
10.Cumene is the reactant to prepare
a) anisole
b) picric acid
c)phenol
d)salicylic acid
11. Lucas reagent reacts faster in
a)10alcohol
b)20alcohol
c) 30alcohol
d)none
12.Phenol reacts with bromine water to give
a) 2-Bromophenol
b)4-Bromophenol
c)2,4,6-Tribomophenol
d) all
13. Phenol reacts with Br2/CS2 at 00C to give
a) 2-Bromophenol
b)4-Bromophenol
c)both
d) none
14 For reaction
CH3CH2OH
D’
.
is …..
a)Propanal
b) Propan -1-ol
c)Propan -2-ol
d) none
15. Lucas reagent reacts faster in tert.alcohol because
a) it has stable carboanion
b) it has stable carbocation
c) both
d) none
1.The monomer of Nylon -6,6 is
(a) hexa methylene diammine
2. Sucrose is
1.
(b) adipic acid
1.
21
(c) both
(d) none
(a) reducing sugar
(b) non reducing sugar
3.Penicillin is a/an
1.
(a) antibiotics
(b) anta acid
(c) tranquilizer
4. Isoprene is the monomer of
(a) natural rubber
(d) none
1.
(b) orlon
5. Glycosidic bond is present in
(a) carbohydrate
(c) both (d) none
(b) protein
(c) Dacron
(d) bakelite
1.
(c) nucleic acid
6. Define mono saccharide .
2.
7. What is biodegradable polymer ?
2.
8..Differentiate between DNA
3.
and RNA.
(d) none
9..What are
a) fibres
b) elastomer
3.
10. a) What are water soluble vitamins ? What are their deficiency diseases?
b) What is Zwitter ion ?
5.
11. Name the monomers and write the structure of given polymers
a) bakelite
b)terylene c) nylon -6 d) Buna –S
e) Buna –N
5…
12. How glucose reacts with …
a) HI
b) HNO3
c)HCN
22
d) Br2
e)NH2OH
5.
FULL TEST 1.
JAC 2017
CHEMISTRY (B)
All questions are compulsory
Q.NO.1-8 are 1 marks mcq
Q.No.9-15 are very short answer question of 1 mark each
Q.No.16-23 are short answer type I question of 2 marks each
Q.No.24-31 are short answer type II question of 3 marks each
Q.No. 32-34 are long answer type Question of 5 marks each
1. Leaching is done in
a) Alumina
b) haematite
c) copper pyrite d) both a &c
2. The product ‘A’ for the reaction
NaNO2 /HCI/00C
C6H6NH2
A
a) ethanol
b) ethyl nitrate c) ethane nitrile d)diazonium chloride
3. Si with impurity As is……..semiconductor
a)n- type
b) p-type
c) intrinsic
d) none
4. Smog is a colloid with dispersed phase
a) liquid
b) solid
c) gas
d) all
5. Methionine is a/an …….. amino acid
a) essential
b) non essential c) both
d) none
6. Rate constant for zero order reaction is
a) increases with reactant b)decreases with reactant c) both d) none
7. SN2 reaction occur fast in
a) methylchloride b) sec.butylchloride c)tet.butylchloride d)all
8. Friedal Craft rection is
a) electrophilic substitution
b)nucleophilic substitution c) both d) none
9. Complete the reaction
CH3CHO + Cu2+ + -OH
10.What is Glycosidic linkage ?
11.Define Diazotization
12.What is Coupling reaction ? .Give an example
13. Define Nucleic acid .
14. Define Colligative property
15. Define Schottky defect .
16. What is Vanarkel process of purification of metal ?
17 Define i) semiconductor ii) Frenkal defect
18. What is freezing point of sugar solution in which 34.2 g sugar is
dissolved in 100g of water ?
19. What is molality and molarity ? How they depends on temperature?
23
20 Defferentiate between nucleotide and nucleoside
21. Differentiate between order and molecularity of reaction .
22. Find the half life period of first order reaction of rate constant
2X10-2 S-1
23. convert
i) propene to propan-1-ol
ii) Chloroethane to Butane
24. What is i) Carbyl amine reaction
ii) Hoffman bromamide reaction
25. How Nylon -6,6 is prepared ? How it differ from Nylon -6
26.Define
i)Reimer Tiemann reaction
ii) Williamsons ether synthesis
27. How nitric acid is manufactured by Ostwald methods.
28. Give IUPAC name of
i) Ni(CO)4
ii) K4[Fe(CN)6]
iii) [Co(NH3)6]Cl3
29. Write the steps preparation of KMnO4 from pyrolusite.
30. Complte the reaction
i) MnO4-1 + Fe2+ + H+
ii) MnO4-1 + I- + H+
31.Differentiate between antiseptic and disinfectant
32. Define
i) aldol condensation ii) cannizaro reaction iii) H.V.Z reaction
iv) Iodoform reaction
v)esterification
33. a)What is lead storage battery
b)State Kohlrausch law
34. Draw the structure of
i) XeOF4
ii)PCl5
iii) P4O10 iv)P4 v)(P4)n
………… best of luck…………
24
FOUND –GEN - CLASSES
Jhumri telaiya (jhanjhari Gali)
All results will be displayed on Foundgenclassesjmt.com
Directed by R.K. Yadav M.Sc. Chemistry gold medalist (NOU)
MPhil .Chemistry (H.U )
FULL TEST 2.
JAC 2017
CHEMISTRY (A)
All questions are compulsory
Q.NO.1-8 are 1 marks mcq
Q.No.9-15 are very short answer question of 1 mark each
Q.No.16-23 are short answer type I question of 2 marks each
Q.No.24-31 are short answer type II question of 3 marks each
Q.No. 32-34 are long answer type Question of 5 marks each
1. In Monds process……… is used .
a) CO2
b) CO
c) NO
d) NO2
2. The test for one degree amine is
a)Carbylamines reaction b) Hoffman bromamide reaction c)both d)none
3. In AgBr the defect seen is / are
a) Frenkel
b) Schottky
c) both
d) none
4. Peptization is related to
a) preparation of colloid b) purification of colloid c) both d) none
5. Starch has basic unit
a) α-D-glucose
b) β-D-glucose c) both
d) none
0
6. If temperature changes from 30-50 C the rate of reaction becomes
a) 2 times
b) 4 times
c) √𝟐 times
d) none
7. SN2 reaction occur fast in
a)
I
b)
c)
I
d)
I
Br
8.
Grignard reagent is ..
a) polar
b) prepared in dry condition c) organometallic d) all
9. Complete the reaction
CH3CHO + 2,4-DNP
10.What is water soluble vitamin ?
11. complete the reaction
CH3NH2 + CHCl3 +NaOH
12.Why aniline is less basic than aniline ? .Give an example
13. What are the enantiomers of glucose.
14. Define Roults law .
15. Define F-centre .
25
16. What is Froth floatation ?
17 What is the radius of atom of fcc unit cell of cell edge 2x10-6 cm?
18. Find the osmotic pressure of 6% urea solution
19. Define molal elevation constant ?
20 How glucose reacts with a) HNO3
b) Br2 water
21. What is first order reaction ? Give example of it .
22. For the reaction R → P, the concentration of a reactant changes from
0.03M to 0.02M in 25 minutes. Calculate the average rate of reaction
using units of time both in minutes and seconds
23. convert
i) propene to propan-2-ol
ii) Methylchloride to propyne
24. What is i) Diazotization
ii) Dediazotization
25. Write the monomers of i)terylene ii) orlone iii) Buna-S
26. i)How phenol is prepared by cumene process
ii) why phenol is more acidic than ethanol
27. How nitric acid is manufactured by Ostwald methods.
28. StateCrystal field splitting diagram in octahedral crystal field .
29. Write the steps preparation of K2Cr2O7 from Chromite .
30. What is Lanthenoid contraction ?
31.Differentiate between lyophilic and lyophobic colloid.
32. How i)Ethanal and Acetone is tested (by tollens reagent )
ii) Acetone and Butan-2-one is tested (by iodoform test)
33. a)What is corrosion
b)State molar conductivity
34. Draw the structure of
i) XeF6
ii)PCl3
iii) H3PO4 iv) SF6 v) (HPO3)3
………… best of luck ……..
26
FOUND –GEN - CLASSES
Jhumri telaiya (Jhanjhari Gali)
All results will be displayed on Foundgenclassesjmt.com
Directed by Mr. R.K. Yadav M.Sc. Chemistry gold medalist (NOU)
MPhil .Chemistry (H.U )
FULL TEST 2.
JAC 2017
CHEMSITRY (B)
All questions are compulsory
Q.NO.1-8 are 1 marks mcq
Q.No.9-15 are very short answer question of 1 mark each
Q.No.16-23 are short answer type I question of 2 marks each
Q.No.24-31 are short answer type II question of 3 marks each
Q.No. 32-34 are long answer type Question of 5 marks each
1. In p-type semiconductor, doping is done by ………………..
(a) Ga
(b) N
(c) As
(d) Sb
2. Graphite is an /a …… solid .
(a) molecular
(b) network
(c) metallic
(d) ionic
3. Carbylamine reaction is the test of
(a) 10 alcohol
(b)10 amine
(c) 20 amine
(d )all of these
4.Gold number is related to ?
(a) Protection of colloid
(b) Gold purification (c) preparation of colloid (d) none
5. Formalin 40% solution of ………….
(a) HCHO
is (b) HCOOH
(c) CH3OH
(d) none
6.Which of the following is the most reducing hydride ?
(a) NH3
(b) PH3
(c) AsH3
(d) SbH3
7. The colour of CuSO45H2O is blue is due to ….
(a) d-d transition
(b) L to M charge transfer (c) M to L charge transfer (d) none
8. The hybridization of [Ni(CN)4]2- is
(a) sp3
(b) dsp2
(c) sp3d2
(d) none
9 Give IUPAC name of CH3CH2N(CH3)2
10. What is Williamson’s ether synthesis?
11.Write the chemical formula of vinegar .
12.What is Hoffman;s bromamide reaction ?
13. What are the monomers of nylon -6,6?
14. How DDT is prepared?
15. Name two sulphide ores of Cu.
16. Define
(i) Ferromagnetism
(ii) Paramagnetism
Or A metal crystallizes with a face-centered cubic lattice. The edge of the unit cell is 408 pm.
What is the diameter of the metal atom ?
17. What are
27
(a) Zone refining
(b) Monds process of refining
18.What are inter halogen compounds and why they are more reactive than halogen
19. Define
a) molal elevation constant Kb
b)Van’t Hoff factor (i)
Or What is molality of .5 H2SO4 solution of density 1.5 g/ml.
20. Differentiate between Order and molecularity of reaction .
Or What are catalysts how they act ?
21. What are inner transition elements ? Give outermost electronic configuration of
f-block element.
22. How potassium dichromate is prepared is prepared ?
23.. What are (a) elastomer
(b) fibre
element?
24. Define
(i) coupling reaction
(ii) diazotization
Or Convert
(i)Methanamine to ethanamine (ii)Nitro benzene to phenol
25. State
a) food preservative
b) detergent c ).Antipyretics
26. What are colligative properties .Explain them briefly
27. Explain the (i) Tyndall effect .
(ii) Electrophoresis
Or Define adsorption .State Freunlich adsorption isotherm .
28. Convert
(a) Ethyl chloride to Methyl chloride
(b) Benzene to toluene
(c) Toluene to m-nitrotoluene
29. Complete the reaction
(a) CH3CH2CH2OH + Conc H2SO4 1700C
(b) C6H5-O-CH3 + HI
(c) CH3CH=CH2 B2H6/THF
H2O2
30.Complete the reaction
(i) C6H5-CONH2 + Br2 +NaOH
(ii) C6H5N+2Cl- + C6H5OH
(iii) C6H5-NH2 + (CH3CO)2O
31. What are carbohydrate ? Name two pentose sugar.(monosaccharide)present in nucleic acid.
32.
(i) Define limiting molar conductivity .
(ii) How dissociation constant (k) of weak electrolyte is related to limiting molar
conductivity
Or
Resistance of a conductivity cell filled with 0.1 mol L–1 KCl solution is 100 Ω
. If the resistance of the same cell when filled with 0.02 mol L–1 KCl solution is 520 Ω, calculate the conductivity and
molar conductivity of 0.02 molL–1 KCl solution. The conductivity of 0.1 mol L–1 KCl solution is 1.29 S/m.
33. (i) How nitric acid is obtained by Ostwald method?
(ii)Why NO2 dimerises?
(iii) How red Phosphorus differ from white Phosphorus ?
28
2 +1 ½ +1 ½
34. An organic compound with the molecular formula C9H10O forms 2,4-DNP derivative,
reduces Tollens’ reagent and undergoes Cannizzaro reaction. On vigorous oxidation,
it gives 1,2-benzenedicarboxylic acid. Identify the compound and give reactions
………… best of luck ……..
FOUND –GEN - CLASSES
Jhumri telaiya (Jhanjhari Gali)
All results will be displayed on Foundgenclassesjmt.com
Directed by Mr. R.K. Yadav M.Sc. Chemistry gold medalist (NOU)
MPhil .Chemistry (H.U )
FULL TEST 3.
JAC 2017
CHEMSITRY
All questions are compulsory
Q.NO.1-8 are 1 marks mcq
Q.No.9-15 are very short answer question of 1 mark each
Q.No.16-23 are short answer type I question of 2 marks each
Q.No.24-31 are short answer type II question of 3 marks each
Q.No. 32-34 are long answer type Question of 5 marks each
1. In CsCI crystal co-ordination number is
(a) 6
(b) 8
(c) 4
2. Number of atoms per unit fcc unit cell is .
(a) 4
(b) 1
(c)2
(d) 5
(d) none
3. When excess of methyl chloride reacts with ammonia ,the product is
(a) 10 ammine
(b)20 amine
(c) 30 amine
(d )all of these
4. Gelatin is a ..
(a) lyophilic colloid
(c) both
(d) none
5. Glucose and Fructose has common …………. Group.
(a) -CHO
is (b) -COOH
(c) C=O
(d) none
6.Which of the following is the most basic hydride ?
(a) NH3
(b) PH3
(c) AsH3
(d) SbH3
(b) lyophobic colloid
7. Which of the following is not transition element ….
(a) Cu
(b)Fe
(c) Zn
8. The hybridization of Ni(CO)4 is
(a) sp3
(b) dsp2
(c) sp3d2
(d) Sc
(d) none
9 Give IUPAC name of CH3CH2 COCH2(OH)
29
10. What is absolute alcohol?
11.Write the chemical formula of Aspirin ?.
12. How aniline is obtained from nitro benzene ?
13. What are vulcanization of rubber ?
14. Propene reacts with HBr to give compound A . Identify the compound A
15. What are flux? Give two examples .
16. What is
(i) simple cubic unit cell
ii) fcc unit cell
Or A metal crystallizes with a face-centered cubic lattice. The edge of the unit cell is 408 pm.
What is the diameter of the metal atom ?
17. What are
(a) liquation (b) vapour phase refining
Or How Smelting is done in Iron ore ?
18.What are inter halogen compounds and why they are more reactive than halogen
19. Define
a) osmosis
b) Isotonic solution .
Or What is molality of .5 H2SO4 solution of density 1.5 g/ml.
element?
20. Define rate of reaction . What are the factors affecting rate of reaction ? .
Or Define Half life period ?
21. What are transition elements ? How transition elements give colour to its compound ?.
22. Give reason .Why transition elements show variable oxidation state ?
23.. What are (a) natural rubber
(b) Synthetic rubber
24. Convert
(i)Methanamine to ethanamine (ii)Nitro benzene to phenol
25. State
a) tranquilizers
b) antacid c ). Soap
26. State Raoults law for volatile and non volatile solute .
27. Explain the i) emulsion .
(ii) coagulation and Hardey Schulze rule
.
28. Differentiate between SN1 and SN2 reaction
Or What is linkage and coordination isomerism in coordination compound ?
29. Complete the reaction
(a) C6H5OH + Conc H2SO4
(b) C6H5-O-CH3 + HI
(c) CH3CH=CH2
dil H2SO4
Or How are the following conversions carried out?
(i) Propene → Propan-2-ol.
(ii) Benzyl chloride → Benzyl alcohol.
(iii) Ethyl magnesium chloride → Propan-1-ol.
30.Complete the reaction
(i) C6H5-CONH2 + Br2 +NaOH
(ii) C6H5N+2Cl- + C6H5OH
(iii) C6H5-OH + (CH3CO)2O
31. What is /are
a)Zwitter ion
32.
b) essential and nonessential amino acid.
(i) What is SHE . (ii) Primary cell . (iii) corrosion of iron
30
Or Find the emf of given cell Zn/Zn 2+[.01M] || Cu 2+[.001M]/Cu
at 25 0C
33.
(i) How nitric acid is obtained by Ostwald method?
(ii) Why Xe forms compound ?
(iii) P4 +NaOH +H2O
or The reaction: A → B follows first order kinetics. The time taken for 0.8 mol of A to produce 0.6 mol of B
is 1 hour. What is the time taken for conversion of 0.9 mol of A to produce 0.675 mol of B?
34. Convert
i) Ethanal to But-2-enal
iii) Toluene to benzoic acid
v) Phenol to aspirin
ii) Benzene to Benzoic acid
iv) Propanol to propanal
………….
best of luck …………
31
32