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Organic Compounds Containing Nitrogen
Sub Topic – I: Amines
1.
Which of the following statements is wrong?
I) Amines possess pyramidal shape
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II) Amines act as bronsted bases
III) 10 amines show metamerism
1) I, II and III
2.
3.
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IV) 20 amines show metamerism
2) II, III and IV
4) I, II and IV
N, N-dimethyl butanamine-2 contains
1) Six sp3 hybridised carbon atoms
2) Seven sp3 hybridised atoms
3) Two sp3 hybridised nitrogen atoms
4) 1 and 2 are correct
Primary amino group is absent in
2) o-amino phenol
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1) p-amino phenol
3) N-methyl ethanamine
4) Phenyl amine
A): n-propyl amine is 10 but isopropyl amine is 20amine.
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4.
3) III only
.s
a
R): n-propyl amine and isopropyl amine are position isomers.
1) A and R are true and R explains A.
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2) A and R are true but R does not explain A.
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3) A is true but R is false.
4) A is false and R is true.
5.
N, N-dimethyl butanamine-2 is the functional isomer of
1) N–butanamine–2
2) N-methyl-2-ethyl butanamine-2
3) Trimethyl Amine
4) Triethyl Amine
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n-butyl amine and isobutyl amine are ---- isomers
1) Optical
2) 2
C3 H 9 N
3) 3
4) 4
represents
(a) Primary amine
9.
4) Position
How many isomers with the molecular formula C4H11N?
1) 1
8.
3) Chain
(b) Secondary amine (c) Tertiary amine
How many primary amines are possible for the formula
(a) 5
co
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7.
2) Functional
(b) 6
C4 H11 N
(c) 3
3) 3
4) 4
5) 4
6) 3
7) 4
8) 4 9) 4
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.s
a
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2) 1
?
(d) 4
Key
1) 4
(d) All of these
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6.
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Sub Topic – II : Nitro Benzene
 HydrazoBenzene. Here the reagent is
NitroBenzene 
2.
2) Zn + NH4Cl
In the reaction
M
2) 2
M
3) 4
M
4) 6
O
||
R  N  O and R-O-N = O are a pair of
1) Chain Isomers
2) Metamers
3) Functional Isomers
4) Epimers
Here the reagent is
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4.
2) Zn + NaOH
3) Sn + HCl
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1) Zn + NH4Cl
Azobenzene
N
.s
a
NO2
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Hydrazobenzene
NH
4) LiAlH4
N
NH
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5.
4) LiAlH4
the equivalent weight of Nitrobenzene is
1) M
3.
3) Zn + NaOH
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1) Sn + HCl
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1.
The ratio of the number of moles of Hydrogen atoms required to get 1 mole of
azobenzene and 1 mole of hydrazobenzene
1) 4: 5
6.
2) 5: 4
+ HNO3(conc)
H SO conc.
2 4 
1000 C
3) 1: 1
4) 2: 3
the main product of the reaction
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8.
2) O – dinitrobenzene
3) m – dinitrobenzene
4) P – dinitrobenzene
Nitrobenzene is reduced by Zn and alcoholic KOH
1) C6H5NH2
2) C6H5NH-NH C6H5
3) C6H5 - N = N - C6H5
4) C6H5 - NH - CO - C6H5
Nitro benzene on reduction with Zinc and NH4Cl gives
2) Aniline
ed
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1) Azo benzene
3) Hydrazobenzene
9.
co
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7.
1) Aniline
4) N- Phenyl hydroxyl amine
The structure of the compound formed when Nitrobenzene is reduced by lithium
aluminium hydride (Li AlH4)
NH
NHOH
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2)
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NH
1)
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3)
.s
a
NH 2
4)
NN
10. Nitro benzene undergoes reduction with Zn/ alcoholic KOH to from a compound
'A'. The numbers of sigma and Pi bonds in ‘A’ respectively are
1) 17, 6
2) 27, 6
3) 27, 8
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4) 17, 8
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Key
1)3
2) 4
3) 3
4) 3 5) 1 6) 3 7) 2
8) 4
9) 4
10) 2
1.
can react with a maximum of ........... moles of CH3I
2) 3
3) Diazonium salt
2) Isocyanide
4) Acetyl derivative
The following turns brown on exposure to air and light
4) Benzene diazonium chloride
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3) Aniline
2) m-dinitrobenzene
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1) Nitrobenzene
4.
In the preparation of N-phenyl benzene sulphonamide from aniline, the reagent
.s
a
used is
2) SOCl2
3) C6H5Cl
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1) H2SO4
4) C6H5SO2Cl
Which of the following is correct with respect to the order of basic natures of
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5.
4) 1
In the nitration of aniline the amino group is protected by conversion into
1) Tribromo derivative
3.
3) 2
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1) 4
2.
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Sub Topic – III : Aniline
different amines given below?


1)
C6H5NH2  NH3  CH3NH2  CH3 2 NH
2)
CH3 2 NHCH3NH2 C6H5NH2 NH3
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
CH3NH2  CH3 NH  C6H5NH2  NH3
2
4)
CH3 2 NH  CH3NH2  NH3  C6H5NH2
Which of the following methods is used to prepare Aniline on large scale?
Fe H 3O 
 C H NH + 2H O
A) C6H5NO2 + 6(H)    
6 5 2
2
C) C6H5OH2+NH3
Sn HCl
   C H NH + 2H O
6 5 2
2
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B) C6H5NO2 + 6(H)
ZnCl2
 

3000 C
D) C6H5Cl + 2NH3
C6H5NH2 + NH4Cl
2) B or C
3) C only
4) A or D
Aniline is not the major Product in one of the following reaction. Identify that
Zncl
300 c
.s
a
reaction
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7.
C6H5NH2+H2O
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1) A only
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6.

3)
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1) C6H5-OH + NH3
2



0
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alcoholic KOH

2) C6H5NO2 + Zn Powder 
200 0


Cu
O
high
pressure
2
3) C6H5Cl+ NH3
Hcl

4) C6H5NO2 + Fe + H2O 
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Which of the following is obtained in a Carbylamine reaction?
1) C6H5NH2
9.
2) COCl2
3) C6H5CN
4) C6H5NC
Which of the following reaction can produce aniline as the main product?
1) C6H5NO2 + Zn/KOH
2) C6H5NO2 + Zn/NH4Cl
3) C6H5NO2 + Li Al H4
4) C6H5NO2 + Zn/HCl
10. Most basic among the following is
1) Benzyl Amine
2) Aniline
3) Acetanilide
1) Aniline Hydro Chloride
3) Nitro Benzene
4) p-nitro aniline
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11. Most reactive towards electrophillic substitution is
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8.
2) Aniline
4) N-Acetyl Aniline
12. In-correct statement about aniline is
1) It is less basic than ethyl amine.
2) It is steam volatile
3) On reaction with Na, it gives H2.
4) It is highly soluble in water.
13. On reduction, primary amine is formed by
2) Ethyl Nitrite
3) Azo Benzene
4) Ethyl Carbylamine
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1) 1-Nitro Ethane
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14. Carbyl amine reaction is answered by
1) Methenamine
2) Nitro Methane
3) Acetamide
4) Triethylamine
3) Glycine
4) Both 2 and 3
.s
a
15. Zwitterion is formed by
1) Aniline
2) Sulfanilic Acid
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16. Benzamide can be converted into aniline by the action of
2) Br2/water
3) Br2/KOH
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1) Br2/CCl4
17. The process that does not yield an amine is
1) Action of ammonia on RX
2) Reduction of aldoxime with Na/alcohol
3) Acid hydrolysis of alkyl cyanide
4) Reduction of amide with LAH
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4) Br2/red P
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18. Among different aliphatic amines, correct order of basic strengths in vapour
state is
1) 30>20>10
2) 10 >20>30
3) 20>10>30
4) 30>10>20
19. Conversion of a primary amide into a primary amine is called
2) Hofmann bromamide reaction
3) Carbylamine reaction
4) Hinsberg’s reaction
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1) Gabriel’s phthalimide reaction
20. Ethanamine can be obtained from methyl iodide by the action of alc.KCN
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followed by
1) Hydrolysis
2) Oxidation
3) Reduction
4) Action of NH3/heat
21. The following amide does not undergo Hoffmann’s degradation
A) Propionamide
B) N-methyl butanamide
C) Butanamide
1) D only
D) N, N-dimethylbutanamide
2) C only
3) C and D
4) B and D
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22. In-correct statement among the following is
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I) LiAlH4 can reduce an amide into amine without change in the number of
carbon atoms.
.s
a
II) A primary amide can be reduced to a primary amine by Br 2/KOH with same
number of Carbon.
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III) A primary amide can be reduced to a primary amine by LiAlH4 with (n-1)
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carbon atoms.
IV) Hoffmann’s bromamide reaction is useful to prepare aniline from
Benzamide.
1) II only
2) I only
3) III and IV
4) II and III
23. N, N-dimethylethanamine on reduction with LiAlH4 gives
1) N-methylethanamine
2) N, N-dimethylethanamine
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3) Ethanamine
4) Trimethylamine
24. Most reactive towards electrophillic substitution is
1) Aniline hydro chloride
2) Aniline
3) Nitro Benzene
4) N-acetyl aniline
1) 1-Nitro Ethane
2) Ethyl Nitrite 3) Azo Benzene
4) Ethyl Carbyl Amine
26. Butanone oxime on reduction with Na/C2H5OH gives
2) 10 Amine
3) 20 Amine
4) 10 Amide
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1) 30 Amine
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25. On reduction, primary amine is formed by
27. Which of the following groups will increase basic strength of aniline?
1) -NO2 in ortho or para
3) -SO3H in ortho or para
2) -CHO in ortho or para
4) -OH in ortho or para
28. Aniline gives meta derivative as major product with
1) CH3COCl/pyridine
4) CH3Cl/pyridine
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3) Br2/water
2) HNO3+H2SO4
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29. Bromination of aniline in acid medium results ------ as major product
2) 3-bromo aniline
3) 2-bromo aniline
4) 4-bromo aniline
.s
a
1) 2, 4, 6-tri bromo aniline
30. Ethyl amine can be distinguished from Aniline by
2) Schiff’s reagent
3) Azo dye test
4) Carbylamine test
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1) Tollen’s reagent
31. A mixture of three amines A, B and C is treated with Benzene sulphonyl chloride
and filtered.
B is obtained in the filtrate. The mixture containing A and C is treated with
KOH so that A becomes soluble while C does not. Now, A, B and C are
1) Aliphatic primary, secondary and tertiary
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2) Aliphatic secondary, tertiary and primary
3) Aliphatic primary, tertiary and secondary
4) Aliphatic tertiary, secondary and primary
32. Which of the following on Hoffmann’s bromamide reaction gives alkanamine?
2) RCONHR’
3) RCONH2
4) RCOONH4
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1) RCH2NH2
33. Dye test is used to distinguish
2) Methanamine and Propanamine-1
3) Benzenamine and Ethanamine
4) Urea and Acetanilide
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1) Ethanamine and Methanamine
34. Aniline is
1) More basic than ammonia
2) More basic than p-amino phenol
3) More basic than p-nitro aniline
4) As basic as methyl amine
35. Acetanilide on nitration followed by hydrolysis yields --- as main product.
1) 4-nitro aniline
2) 2, 4, 6-trinitro aniline
4) 3-nitro aniline
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3) 2-nitro aniline
36. Among the following, strongest base is
2) P-Nitro Aniline
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1) Aniline
3) M-Nitro Aniline
4) Benzyl Amine
.s
a
37. The compound which on reaction with aqueous nitrous acid at low temperature
produces in oily nitrosamine is
(b) Ethylamine
(c) Diethylamine
(d) Triethylamine
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(a) Methylamine
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38. Acetamide is treated separately with the following reagents. Which one of these
would give methylamine?
(a) PCl5
(b) Soda lime
(c) NaOH+Br2
(d) Hot Concentrated H2SO4
39. Carbylamine test is performed in alcoholic KOH by heating a mixture of
(a) Chloroform and silver powder
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(b) Tri halogenated methane and a primary amine
(c) An alkyl halide and a primary amine.
(d) An alkyl cyanide and a primary amine.
40. Chlorobenzene can be prepared by reacting aniline with
(b) Cuprous chloride
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(a) Hydrochloric acid
(c) Chlorine in the presence of anhydrous aluminium chloride
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(d) Nitrous acid followed by heating with cuprous chloride
41. Amongst the following, the most basic compound is
(a) Benzyl amine
(b) Aniline
(c) Acetanilide
(d) p-nitroaniline
42. Reaction of RCONH2 with a mixture of Br2 and KOH gives RNH2 as the main
product. The intermediates involved in the reaction are
O
||
(a) R  C  NHBr
.s
a
(c) R  C  N
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(b) R  NHBr
O
||
R  C N
(d)
Br
Br
43. Examine the following two structures for the anilinium ion and chose the correct
 NH3
NH3
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statement from the ones gives below.
(a) II is not acceptable canonical structure because carbonium ions less stable than
ammonium ions.
(b) II is not an acceptable canonical structure because it is non aromatic.
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(c) II is not an acceptable canonical structure because nitrogen has 10 valence
electrons.
(d) II is an acceptable canonical structure.
44. Which of the following statement is not correct?
reaction.
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(a) Replacement of halogen by NH2 in alkyl halide is a nucleophilic substitution
(b) Aryl halides show more reactivity as compared to alkyl halides in the
ed
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replacements of halogen by NH2 group.
(c) During the replacement of halogen by NH2 group, ammonia is taken in large
excess so as to avoid the formation of 20 and 30 amines.
(d) Tertiary alkyl halide generally produces alkene instead of the replacement of
halogen by NH2 group.
45. Which of the following statements is not correct?
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(a) Primary amines show intermolecular hydrogen bonding.
(b) Secondary amines show intermolecular hydrogen bonding.
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(c) Tertiary amines show intermolecular hydrogen bonding.
.s
a
(d) Amines have lower boiling points as compared to those of alcohols and carboxylic
acids of comparable.
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46. Which of the following statements is not correct?
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(a) Aliphatic amines are stronger bases than ammonia.
(b) Aromatic amines are stronger bases than ammonia.
(c) The alkyl group in alkyl ammonium ion more stabilizes the ion relative to the
amine.
(d) The aryl group in aryl ammonium ion less stabilizes the ion relative to the amine.
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47. Hinsberg’s reagent is
(a) Phenyl isocyanide
(b) Benzene sulphonyl chloride
(c) p-toluenesulfonic acid
(d) o-dichlorobenzene
48. On warming an aqueous solution of benzenediazonium chloride, the product
(a) Benzene
(b) Aniline
co
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obtained is
(c) Phenol
(d) Amide
49. Which of the following reagents can convert benzenediazonium chloride into
(a) Water
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benzene?
(b) Acid
(c) Hypophosphorous acid (d) HCl
50. Hofmann’s method to separate amines in a mixture uses the reagent?
(a) Benzene sulphonyl chloride
(b) Diethyl oxalate
(c) Benzyl isocyanide
(d) p-toluenesulfonic acid
51. Which of the following compounds will dissolve in an alkali solution after it has
.s
a
(c) CH3 NH 2
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(a) (C 2 H 5 ) 2 NH
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undergone reaction with Hinsberg reagent?
CH3  N  C6 H5
(b)
|
CH3
(d) C6 H 5 NHC 6 H5
52. Activation of benzene ring by-NH2 in aniline can be reduced by treating with
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(a) Dilute HCl
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53. Which of
(b) Ethyl alcohol
(c) Acetic acid
(d) Acetyl chloride
the following orders is correct regarding the basic strength of
substituted aniline
(a) p- nitroaniline> p-aminobenzaldehyde> p-bromoaniline
(b) p-nitroaniline<P-bromoaniline< p- aminobenzaldehyde
(c) p- Nitroaniline< p - aminobenzaldehyde< p - bromoaniline
(d) p - Nitroaniline>p - aminobenzaldehyde< p - bromoaniline
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54. Which of the following orders regarding the basic strength of substituted aniline
is correct?
(a) p-methylaniline> p-chloroaniline> p- aminoacetophenone
(b) p-methylaniline p- aminoacetophenone> p- chloroaniline
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(c) p-aminoacetophenone>p-methylaniline> p - chloroaniline
(d) p-aminoacetophenone>p-chloroaniline> p- methylaniline
55. The number of resonating structures of aryl ammonium ion is
(b) 3
(c) 4
(d) 5
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(a) 2
56. The number of resonating structures of aniline is
(a) 2
(b) 3
(c) 4
(d) 5
57. The bromination of aniline produces
(a) 2- bromoaniline
(b) 4-bromoaniline
(c) 2, 4, 6-tribromoaniline
(d) 2, 6-dibromoaniline
58. A positive carbylamine test is given by
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(a) N, N-dimethylaniline
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(c) N-methyl1-o-methylaniline
(b) 2, 4-dimethylaniline
(d) p- methylbenzylamine
.s
a
59. Among the following, the strongest base is
(b) P  NO 2C6 H 4 NH 2
(c) m  NO 2C 6 H 4 NH 2
(d) C 6 H5CH 2 NH 2
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(a) C 6 H5 NH 2
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60. Identify the product C in the given reaction.
Na /C H OH
HNO
Cu /3000 C
2 5
2  B 
CH3  C  N 
 A 
C
(a) CH3  COOH
(b) CH3  CH 2  NH  OH
(c) CH3  CONH 2
(d) CH3  CH  O
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61. What is the product when
C6 H 5  CH 2  NH 2 reacts with nitrous acid?


C H  N N
(a) 6 5
(c)
C H  CH 2  N  N
(b) 6 5
C6 H 5  CH 2  OH
(d)
C6 H 5  NH 2
O
||
(a)  C O  C
O
||
(b)  O  C  R
(c)
C N
(d) -CH = O
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O
||
co
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62. Which of the following is activating group for nitration reaction?
63. Which of the following having highest value of Kb?

(a) C6 H 5  N H  CH 3
(c) CH3  CONH 2
(b) C6 H5  N H  C6 H 5
(d) C6 H 5  CH 2  NH 2
64. Strongest base among the following is
NH 2
hi
NH
(b)
(c)
 CH2 6 N 4
(d)
 CH3 3 N
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(a)
65. Identify the product C in the given reaction
(a) CH3 - COOH
(b) CH3 - CH2 - NH - OH
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.s
a
Na /C 2H 5OH
HNO3
Cal/300C
CH3  C  N 
 A 
 B 
C
(d) CH3 - CH = O
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(c) CH3 - CONH2
66. Match the following.
Column - I
Column - II
(A) Nitrobenzene
(B) Aniline
 Azobenzene
 Phenyl isocyanide
(P) LiAIH4
(Q) NaNO2+ HCl+Cu2Cl2
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 Chlorobenzene
(D) Ethylamine
 Ethanol
A
B
C
D
1)
P
Q
R
S
2)
P
R
Q
S
3)
S
R
Q
P
4)
P
R
S
Q
(R) CHCl3+KOH
(S) NaNO2+ HCl (aq)
co
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(C) Aniline
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67. Which amine is heated with chloroform and alcoholic KOH, a bad odour
compound is formed. The compound is
(a) An alcohol
(b) An aldehyde
(c) A cyanide
(d) An isocyanide
68. The molecular formula of methyl isocyanate is
(a) CH 3 NCO
(b) CH 3CNO
(c) CH 3 NCS
(d) CH 3CN
69. The product of the reaction of the alcoholic silver nitrite with ethyl bromide is
(b) Ethyl nitrite
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(a) Ethene
(c) Ethyl alcohol
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70. Which one of the following on reduction with
LiAlH 4
yields a secondary amine?
(a) Methyl cyanide
(b) Nitro ethane
(c) Methyl isocyanide
(d) Acetamide
.s
a
(d) Nitro ethane
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71. When methyl cyanide is hydrolysed in presence of alkali, it forms
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(a) Acetamide
(b) Methane
(c) CO2  H 2O
(d) Acetic acid
72. Acetamide reacts with NaOBr in alkaline medium to form
(a) NH 3
(b) CH 3 NH 2
(c) CH 3CN
73. Treatment of ammonia with excess of ethyl chloride will yield
(a) Diethylamine
(b) Methylamine
(c) Tetraethyl ammonium chloride
(d) Ethane
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(d) CH 3CH 2 NH 2
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74. The correct order of the increasing basicity of methylamine, ammonia and
aniline is
(a) Methylamine < aniline < ammonia
(b) Methylamine < ammonia < aniline
(c) Aniline < methylamine < ammonia
(d) Aniline < ammonia < methylamine
CH 3CN  3KCl
(b)
CH 3 NC  3KCl
(c)
CH 3CONH 2  3KCl
(d)
CH 3 NC  K 2CO3
ed
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n.
(a)
76. In the following series of reactions, (A) is
(a) CH 3CN
77.
co
m
75. CH3NH2 +CHCl3 + 3 KOH  X + Y + 3 H2O: compounds X and Y are
(b) CH 3 NC
( A) Re
duction ( B ) HNO

2 C2 H 5OH
(c) C2 H 5CN
(d) CH 3 NO2
Ni / H 2
NaCN
Acetic anhydride
CH 3CH 2 Cl 
( X ) 
(Y ) 
(Z )
(Z) in the above reaction sequence is
(b) CH 3CH 2CH 2 NH 2
(c) CH 3CH 2 CH 2 CONHCH 3
(d) CH 3CH 2CH 2 CONHCOCH 3
hi
(a) CH 3CH 2 CH 2 NHCOCH 3
ks
78. A primary amine is formed from an amide, by the treatment of bromine and
.s
a
alkali. The primary amine has
(b) 1 Carbon atom more than amide
(c) 1 Hydrogen atom less than amide
(d) 1 Hydrogen atom more than amide
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(a) 1 Carbon atom less than amide
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79. Acetonitrile on reduction gives
(a) Propanamine
(b) Methanamine
(c) Ethanamine
(d) None of these
80. An isonitrile on reduction gives
(a) Amine
(b) Amine
(c) Amine
(d) Quaternary ammonium salts
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81. Ethyl chloride on heating with AgCN forms a compound (X). The functional
isomer of (X) is
(a)
C2 H 5 NC
(b)
C2 H 5 NH 2
(c)
C2 H 5CN
(d) None of these
82. The reduction of which of the following compound would yield secondary amine
(c) Primary amine
(d) Secondary nitro compound
CH 3 NH 2  CHCl3  KOH  nitrogen
Containing
co
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(b) Carbylamine
compound
+
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83.
(a) Alkyl nitrile
Nitrogen containing compound is
(a) CH 3  C  N
(c)
(b) CH 3  NH  CH 3

N C
CH 3
(d)
CH 3

N C
Key
2) 4
11) 2
12) 4 13) 1 14) 1 15) 4 16)3
17) 3 18) 1 19) 2
20) 3
21) 4
22) 4 23) 2 24) 2 25) 1 26) 2 27) 4 28) 2 29) 2
30) 3
32) 3 33) 3 34) 3 35) 1 36) 4 37) 3 38) 3 39) 2
40) 4
4) 4
5) 4
6) 1
ks
8) 4 9) 4
.s
a
7) 2
10) 1
w
31) 3
3) 3
hi
1) 3
50) 2
51) 3
52) 4 53) 3 54) 1 55) 1 56) 4 57) 3 58) 4 59) 4
60) 4
61) 3
62) 2 63) 4 64) 3 65) 4 66) 2 67) 4 68) 1 69) 4
70) 3
71) 4
72) 2 73) 3 74) 4 75) 2 76) 1 77) 1 78) 1 79) 3
80) 2
81) 3
82) 2 83) 4
42) 1 43) 3 44) 2 45) 3 46) 2 47) 2 48) 3 49) 3
w
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41) 1
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KCl+
H 2O
.
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Sub Topic – IV : Diazonium Salts
1.
Benzene diazonium chloride on reaction with KCN in the presence of CuCN
yields X. X on hydrolysis yields Y. Now, Y can also be obtained from
2) Toluene by oxidation by KMnO4
3) Toluene by nitration
4) Toluene by sulfonation
co
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2.
1) Toluene by the action of Cl2/FeCl3
2 SO4
Ar.N 2Cl dil
. H
 X  N 2  HCl where regarding X, correct statement is
2) It liberates H2 with Na.
ed
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1) It is weakly acidic.
3) It is stronger acid than acetic acid.
3.
Benzene diazonium salt on reduction with X yields Benzene. X is
1) K2Cr2O7/H+
4.
4) 1 and 2
2) O3
3) H3PO4
4) H3PO2
A): Diazonium ion acts as an electrophile.
R): Terminal nitrogen atom in diazo group is positively charged.
hi
1) A and R are true and R explains A.
ks
2) A and R are true but R does not explain A.
3) A is true but R is false.
5.
.s
a
4) A is false but R is true.
During diazo coupling, the following group is retained
2) N2Cl
7.
3) NH2
4) NHR’
Which of the following is an example of electrophillic substitution?
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6.
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1) N=N
1) Diazotization
2) Sandmayer Reaction
3) Diazo Coupling
4) Action of KCN on ArN2Cl
Which of the following is the correct order of ease of coupling with C6H5N2Cl?
A) Benzene
B) Nitro Benzene
C) Phenol
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D) Chlorobenzene
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1) A > D > B > C
9.
3) C > A > D > B
4) B > D > A > C
Coupling of phenol with benzene diazonium salt yields
1) o-hydroxy derivative of salt
2) p-hydroxy derivative of salt
3) m-hydroxy derivative of salt
4) a mixture 1, 2 and 3
N,N-dimethyl aniline on coupling with C6H5N2Cl yields
co
m
8.
2) C > A > B > D
1) 4-(N,N-dimethyl) amino azobenzene
2) 4-(N,N-dimethyl) nitroso benzene
ed
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n.
3) 4-(N,N-dimethyl) amino azo benzene
4) 4-(N,N-dimethyl) amino hydrazobenzene
10. Which of the following reactions is an example of Sandmeyer reaction?
N 2 HSO 4
N 2  HSO 4 
Br
CuBr

Cu powder
HBr


hi
(a)
N 2 HSO 4
(b)
N 2  HSO 4 
ks
I
KI
.s
a
CN
CuCN

(c)
Br

(d)
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11. Which of the following reaction is an example of Gattermann reaction?
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N 2 HSO 4
(a)
N 2  HSO 4 
Br
Cu powder
HBr
CuBr



(b)
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Br
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N 2  HSO 4 
N 2  HSO 4 
CN
CuCN
I
KI


(c)
(d)
co
m
12. Benzenediazonium chloride on reaction with phenol in weakly basic medium
gives
(b) P- hydroxyazobenzene
(c) Chlorobenzene
(d) Benzene
ed
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(a) Diphenyl ether
13. Which of the following is responsible for the colour of diazo compounds?
(a) Benzene ring
(b) -N = N-group
(c) -OH group
(d) -NH2 group
14. Coupling between arenediazonium cation and amines takes place most rapidly at
pH
(a) 10-14
(b) 0-2
N2 Cl   CH3
(c) 5-7
(d) 5-8
OCH 3  A
‘A’ is
hi
15.
OCH 3
ks
CH 3
N
OCH3
w
(a)
.s
a
NN
N
(b)
CH3
N
w
w
OH
(c)
CH3
N
N
(d)
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N
OH
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Key
1)2 2) 4
4) 3
5) 1
6) 3
7) 3
8) 2
9) 1 10) 1
11) 2
12) 2
14) 3 15) 2
w
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.s
a
ks
hi
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co
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13) 2
3) 4
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