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Which of the following acids has the sma...

Which of the following acids has the smallest dissociation constant ?

A

`CH_(3)CHFCOOH`

B

`FCH_(2)CH_(2)COOH`

C

`BrCH_(2)CH_(2)COOH`

D

`CH_(3)CHBrCOOH`

Text Solution

Verified by Experts

The correct Answer is:
C
Based on -I effect (depend on distance) & EN of atom attached to c-atom
`overset(Br)overset(|)CH_3 - CH_2 - COOH` has the least dissociation constant.
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