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Consider the following acids : 1. HCN ...

Consider the following acids `:`
1. HCN 2. HCOOH
3. `CH_(3)COOH` 4. `Cl-CH_(2)-COOH`
The acid strength of these acids are such that `:`

A

`4 gt2 gt 3 gt 1`

B

` 2 gt 3 gt 1 gt 4`

C

`4 gt 2 gt 1 gt 3`

D

` 2 gt 3 gt 4 gt 1`

Text Solution

Verified by Experts

The correct Answer is:
A
`Cl-CH_(2)COOH gt HCOOHgt CH_(3)COOH gt HCN`
Electron withdrawing group ( -Cl) increases acidity. Electron releasing group decreases acidity. HCN is weaker acid than carboxylic acid.
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