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Chemistry
Chemistry
Problem
Four carboxylic acids are listed below. I.
C
H
3
C
H
2
C
O
O
H
CH_3CH_2COOH
C
H
3
C
H
2
C
O
O
H
II.
C
H
3
C
O
O
H
CH_3COOH
C
H
3
C
O
O
H
III.
C
l
C
H
2
C
O
O
H
ClCH_2COOH
C
l
C
H
2
C
O
O
H
IV.
C
F
3
C
O
O
H
CF_3COOH
C
F
3
C
O
O
H
Which acid is expected to have the smallest
p
K
a
pK_a
p
K
a
(that is, to be the strongest acid) in aqueous solution? a) III only b) IV only c) II only d) I only
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