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Question
Chemistry
Which of the following compound will have the smallest pKa value ?
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Q. Which of the following compound will have the smallest
p
K
a
value ?
Equilibrium
A
Benzoic acid
42%
B
Formic acid
25%
C
Acetic acid
25%
D
Phenylacetic acid
8%
Solution:
Smaller the
p
K
a
value stronger is the acid. As, out of the given acids, formic acid is the strongest acid, its
p
K
a
will be smallest