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Consider the following acids. (i) Cl...

Consider the following acids.
(i) `Cl_(2)CHCOOH`
(ii) `CH_(3)COOH`
(iii) `Cl-CH_(2) -COOH`
(iv) HCOOH
The acid strengths of these aacids are such that

A

`(iii)gt (iv) gt (ii) gt (i)`

B

`(iv)gt (ii) gt (i) gt (iii)`

C

`(iii)gt (iv) gt (i) gt (ii)`

D

`(i)gt (iii) gt (iv) gt (ii)`

Text Solution

Verified by Experts

The correct Answer is:
D
Group or atom attached with `-COOH` group showing stronger negative inductive effect increases the acidic character of carboxylic acid to higher extent.
`-CH_(3)` group shows positive inductive effect and `-H` doesn't show any inductive effect.
`therefore` Sequences of acidic strength is
(i) `gt` (iii) `gt` (iv ) `gt` (ii).
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 17-PHYSICS & CHEMISTRY
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