Topic 11 Practice - Acids and Bases
1. Which compound is an electrolyte?
A) CCl4
C) C6H12O6
B) CH 3OH
D) Ca(OH) 2
2. Which compounds can be classified as electrolytes?
A)
B)
C)
D)
alcohols
alkynes
organic acids
saturated hydrocarbons
3. Which sample of HCI(aq) contains the greatest number
of moles of solute particles?
A)
B)
C)
D)
1.0 L of 2.0 M HCI(aq)
2.0 L of 2.0 M HCI(aq)
3.0 L of 0.50 M HCI(aq)
4.0 L of 0.50 M HCI(aq)
4. Which compound dissolves in water to form an aqueous
solution that can conduct an electric current?
A) CC1 4
C) CH 3COOH
B) C2H5OH
D) CH 4
5. When one compound dissolves in water, the only
positive ion produced in the solution is
H3O+ (aq). This compound is classified as
A) a salt
C) an Arrhenius acid
B) a hydrocarbon
D) an Arrhenius base
6. An aqueous solution of lithium hydroxide contains
hydroxide ions as the only negative ion in the solution.
Lithium hydroxide is classified as an
A) aldehyde
C) Arrhenius acid
B) alcohol
D) Arrhenius base
7. When the hydronium ion concentration of a solution is
increased by a factor of 10, the pH value of the solution
A)
B)
C)
D)
decreases 1 pH unit
decreases 10 pH units
increases 1 pH unit
increases 10 pH units
8. Which statement describes the characteristics of an
Arrhenius base?
A) It changes blue litmus to red and has a pH less than
7.
B) It changes blue litmus to red and has a pH greater
than 7.
C) It changes red litmus to blue and has a pH less than
7.
D) It changes red litmus to blue and has a pH
greater than 7.
9. Based on the results of testing colorless solutions with
indicators, which solution is most acidic?
A)
B)
C)
D)
a solution in which bromthymol blue is blue
a solution in which bromcresol green is blue
a solution in which phenolphthalein is pink
a solution in which methyl orange is red
10. Which indicator is blue in a solution that has a pH of
5.6?
A) bromcresol green
C) methyl orange
B) bromthymol blue
D) thymol blue
11. One alternate acid-base theory states that an acid is an
A) H + donor
C) OH - donor
B) H+ acceptor
D) OH - acceptor
12. Given the equation representing a reaction at
equilibrium:
NH 3(g)+ H 2O( )
NH 4+ (aq) + OH–(aq)
The H + acceptor for the forward reaction is
A) H2O( )
C) NH 4+ (aq)
B) NH 3(g)
D) OH –(aq)
13. Which compound is produced when HCl(aq) is
neutralized by Ca(OH) 2(aq)?
A) CaCl2
C) HClO
B) CaH 2
D) HClO 2
14. During which process can 10.0 milliliters of a 0.05 M
HCl(aq) solution be used to determine the unknown
concentration of a given volume of NaOH(aq) solution?
A) evaporation
C) filtration
B) distillation
D) titration
15. A student completes a titration by adding 12.0
milliliters of NaOH(aq) of unknown concentration to
16.0 milliliters of 0.15 M HCl(aq). What is the molar
concentration of the NaOH(aq)?
A) 0.11 M
C) 1.1 M
B) 0.20 M
D) 5.0 M
Answer Key
Topic 11 Practice Acids and Bases
1.
D
2.
C
3.
B
4.
C
5.
C
6.
D
7.
A
8.
D
9.
D
10.
A
11.
A
12.
B
13.
A
14.
D
15.
B