1. The first theory of acid and base comes from Arrhenius. According to this theory ….
a. an acid is a substance that accepts a hydrogen ion.
b. a base is a substance that accepts a hydrogen ion.
c. a base is a substance that accepts a hydroxide ion.
d. an acid is a substance that accepts a hydroxide ion.
e. In water,an acid produces hydrogen ions
2. A strong base is ….
a. an electrolyte
b. a strong electrolyte
c. a weak electrolyte
d. anion
e. cation
3. Strong acids are ….
a. HF and HCl
b. HNO3 and HI
c. CH3COOH and H2S
d. H3PO4 and H2SO4
e. HOCl and HOCl2
4. Organic acids contain a carboxyl group— a group that contains an acidic hydrogen that can ionize. The formula for the carboxyl group is ….`
a. –NH2
b. –OH
c. –CH3
d. –OCH3
e. –COOH
5. The acid strength of HCl is … the acid strength of HNO3 in aqueous solution.
a. the same as
b. greater than
c. less than
6. In an oxyacid, the acidic hydrogen is always attached to ….
a. anion
b. another atom
c. may be anion
d. may be oxygen or another atom
e. one of the oxygen atoms
7. Weak acids are ….
a. H2SO4, HI
b. HCl, HBr
c. HNO2, HF
d. HNO3,H2SO3
e. HClO4, HClO3
8. For a group of acids at the same concentration, the correct statement is ….
a. the weakest acid will be the most ionized
b. the strongest acid will be the least ionized
c. the weakest acid will be an Arrhenius acid
d. the strongest acid will be the most ionized
9. Which of the following is the weakest acid?
a. H3PO3
b. H3AsO4
c. H3AsO3
d. H3PO4
10. Which of the following is the strongest acid?
a. H2SeO4
b. H2SO4
c. HSO4-
d. HSeO4-
11. Which of the following is the weakest acid?
a. HCl
b. HClO
c. HBr
d. HBrO
12. Which of the following acids is a diprotic, weak acid?
a. carbonic
b. hydrochloric
c. perchloric
d. acetic
e. sulfuric
13. In general, salts ….
a. are ionic compounds
b. contain hydrogen ions
c. contain hydroxide ions
d. turn litmus red
14. When bases ionize they release ….
a. hydrogen ions
b. sodium ions
c. chloride ions
d. hydroxide ions
15. An element common to all acids is ...
a. chlorine
b. nitrogen
c. oxygen
d. hydrogen
16. A base used in the manufacture of soap is ….
a. calcium hydroxide
b. sodium hydroxide
c. ammonia
d. zinc hydroxide
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