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