AIIMS 2012 Chemistry Acidity and Basicity MCQ Question with Solution

pKₐ increases in benzoic acid when substituent "x" is bonded at para-position, then "x" is

A

-COOH

B

-NO₂

C

-CN

D

-OCH₃

Option D

Larger the value of pKa, smaller will be its acidity.

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