Home JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-1 A solution of -chloroaniline, -chloropheno…
JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-1 Single Correct MCQ
Published on: August 14, 2026

A solution of -chloroaniline, -chlorophenol, -chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of to give fraction , the leftover organic phase was extracted with dil. to give fraction . The final organic layer was labelled as fraction . Fractions A, B and C contains respectively:

A
m-chlorobenzoic acid, m-chlorophenol and m-chloroaniline
B
-chlorophenol, -chlorobenzoic acid and -chloroaniline
C
m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid
D
m-chlorobenzoic acid, m-chloroaniline and m-chlorophenol

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Text Solution

Verified by Experts
The correct answer is:
A

m-chlorobenzoic acid being the most acidic can be separated by a weak base like and hence will be labelled fraction .

-chlorophenol is not as acidic as m-chlorobenzoic acid, and can be separated by a stronger base like , and hence can be labelled as fraction . -chloroaniline being a base, does not react with either of the bases and hence would be labelled as fraction C.

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