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Unit 13
Test Description: Acid/base
Instructions: Answer all questions to get your test result.
1) A Bronsted-Lowry acid is
A
a proton acceptor
B
an electron-pair donor
C
an electron-pair acceptor
D
a proton donor
2) In the reaction NH3 + H2O ⮀ NH4+ + OH−, H2O is a
A
Bronsted-Lowry acid
B
Arrhenius acid
C
Lewis base
D
Bronsted-Lowry base
3) A Lewis acid is
A
a proton donor
B
a proton acceptor
C
an electron-pair donor
D
an electron-pair acceptor
4) A conjugate base, according to the Bronsted-Lowry definition is anything that
A
remains after an acid has given up a proton
B
is formed by the addition of a proton to a base
C
remains after a base has given up a proton
D
is formed by the addition of a proton to an acid
5) In the reaction HF + H2O ⮀ H3O+ + F−, a conjugate acid is
A
F
B
H3O+
C
H2O
D
HF
6) According to the Arrhenius definition, a base is
A
a hydroxide donor
B
a proton donor
C
a proton acceptor
D
an electron pair donor
7) Name the following acid: H2SO4
A
sulfuric acid
B
sulfurous acid
C
hydrosulfuric acid
D
hydrosulfic acid
8) Which of the following is hydroxide ion?
A
OH−
B
H3O+
C
H2O
D
H+
9) pH + pOH = ?
A
8
B
10
C
7
D
14
10) If you have a substance that has a pH of 8... is it basic or acidic?
A
neither neutral
B
cannot tell from that number
C
acidic
D
basic
*select an answer for all questions
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