Name
Class
_
Acids and Bases
Date
_
Test
Chapter
16
DIRECTIONS: Write on the line at the right of each statement the letter preceding the word or expression that best
completes the statement.
1
1. Acids taste (a) sweet; (b) sour; (c) bitter; (d) salty;
2. The basis for the traditional definition of acids was provided by the observations of
(a) Bnlmsted; (b) Lewis; (c) Arrhenius; (d) Faraday.
2
3. A substance that ionizes nearly completely in aqueous solutions, producing H30 +, is a
(a) weak base; (b) strong base; (c) weak acid; (d) strong acid.
3
4. Compared to acids that have the suffix -ic, acids that have the suffix -ous contain
(a) more hydrogen; (b) more oxygen; (c) less oxygen; (d) the same amount of oxygen.
4
5. Which of the following is the electron-dot structure for hypochlorous acid?
(a)
__
(b) H :~:¢):~:
H:O:CI:
5
:0:
(d) H:g:9.I:g:
(c) H:9,I:g:
:0:
..
6. The electron-dot structure
:0:
H: o:~::
~: H
:0:
is that of (a) sulfurous acid;
6
(b) hydrosulfuric acid; (c) sulfuric acid; (d) hyposulfurous acid.
7. The acid manufactured in largest quantity is (a) hydrochloric acid; (b) phosphoric acid;
(c) nitric acid; (d) sulfuric acid.
7
8. Bases react with (a) acids to produce salts and water; (b) salts to produce acids and water;
(c) water to produce acids and salts; (d) neither acids, salts, nor water.
8
- 9. Traditional bases (a) produce H30 + ions; (b) produce hydroxide ions; (c) are electron-pair
donors; (d) are proton acceptors.
9
10. A solution that contains OH - from a soluble base is (a) nonelectrolytic; (b) acidic; (c) alkaline;
(d) nonconducting.
___
10
11. Which of the following is the net ionic equation for a neutralization reaction?
(a) HCl(aq) + NaOH(aq) -? NaCl(aq) + H20(t) (b) H+(aq) + CI-(aq) + Na+(aq)-?
Na+(aq) + CI-(aq) + H20(t) (c) H30+(aq) + OH-(aq) -? 2H20(t)
(d) NaOH(s) -? Na+(aq) + OH-(aq)
___
11
12. The reaction HCI(aq) + NH3(aq) -? NH: (aq) + CI- (aq) is a (a) traditional acid-base reaction;
(b) Bronsted acid-base reaction; (c) single-replacement reaction; (d) precipitation reaction.
___
12
13. Which of the following is a strong base? (a) NH3 (b) aniline (c) NaOH (d) acetate ion
___
13
14. In a conjugate acid-base pair, the acid typically has (a) one more proton than the base;
(b) one fewer proton than the base; (c) two fewer protons than the base; (d) the same number
of protons as the base.
___
14
15. In the reaction HF + H20 ~ H30+ + F-, a conjugate acid-base pair is (a) F- and H20;
(b) HF and F-; (c) H30+and HF; (d) HF and H20.
___
15
16. If H20 in the equation H20 + HC2H302 ~ H30 + + C2H302- is a weak base, then H30 + is a
(a) strong acid; (b) strong base; (c) weak acid; (d) weak base.
___
16
17. Proton-transfer reactions favor production of the (a) stronger acid and stronger base;
(b) weaker acid and weaker base; (c) stronger acid and weaker base; (d) weaker acid and
stronger base.
___
17
Chapter 16
Acids and Bases
HRW material
copyrighted
under notice appearing
earlier in this work.
77
18. The products of a reaction between a strong acid and a strong base are a (a) stronger acid and
a stronger base; (b) stronger acid and a weaker base; (c) weaker acid and a stronger base;
(d) weaker acid and a weaker base.
19. In the reaction H3P04 + H20 ~ H30+
(c) spectator species; (d) salt.
+ H2PO;, H2PO; acts as a(n) (a) acid; (b) base;
18
------28
23
21
19
22
27
26
25
24
29
20
20. When water is added to a basic anhydride, (a) an acidic solution results; (b) a basic solution
results; (c) a neutral solution results; (d) a hydrate is formed.
21. When water is added to an acid anhydride, (a) an acidic solution results; (b) a basic solution
results; (c) a neutral solution results; (d) a hydrate is formed.
22. The balanced equation for the reaction of P40lO with water is P40lO
(b) 4PH3 + 802; (c) 4HP03; (d) 4P03 + 2H2.
+ 6H20
-+ (a) 4H3P04;
23. Where, in the Periodic Table, are elements that form basic anhydrides located? (a) in the left
and center (b) far to the right (c) in the center only (d) toward the right, but not far to the right
24. Chromium forms OH compounds that are (a) all acidic; (b) all basic; (c) all amphoteric;
(d) acidic, basic, and amphoteric.
25. Reactions of dilute nonoxidizing acids with metals produce (a) hydrogen gas and salts;
(b) water and salts; (c) hydrogen gas and water; (d) hydrogen gas, water, and salts.
26. Reactions between carbon dioxide and hydroxide bases are essentially (a) neutralization
reactions; (b) decomposition reactions; (c) single-replacement reactions; (d) Lewis reactions.
27. With what type of oxide do hydroxide bases generally react to produce salts and water?
(a) nonmetal oxides (b) metal oxides (c) basic oxides (d) salt oxides
28. The acid anhydride of carbonic acid is (a) CH4; (b) C02; (c) CO; (d) H2CO.
29. What are the products of the reaction between aqueous magnesium oxide and P40IO?
(a) MgP03 and P02 (b) Mg3(P04h (c) Mg3P2and P03 (d) Mg and P03
30. Oxidizing acids produce salts when they react with (a) metals above or below hydrogen in the
activity series; (b) only metals above hydrogen in the activity series; (c) only metals below
hydrogen in the activity series; (d) no metals.
30
DIRECTIONS: Write on the line at the right of each statement the word or expression that best completes the
meaning when substituted for the corresponding number.
31. In the presence of active ~
, acids generally release hydrogen gas.
31
32. An acid that contains hydrogen and only one other element is called a(n) ~
33. Bases cause red litmus to turn ~
34. A(n) ~
acid.
33
is defined as an electron-pair acceptor.
34
35. The species that remains after an acid has given up a proton is called a(n) ~
36. The conjugate acid of F - is ~
37. A(n) ~
32
.
in the reaction HF + H20
<=!
H30
+
base.
+ F -.
36
is the conjugate of a strong acid.
38. The reaction of N20S with water produces ~
37
.
38
39. Barium hydrogen carbonate (Ba(HC03h) is the product of a reaction between ~
Ba(OHh.
and
39
40. The products of the reaction between magnesium metal and hydrochloric acid are ~
78
35
.
40
Acids and Bases
Chapter 16
HRW material
copyrighted
under
notice appearing
earlier
in this work.
,