MHT CET 2022 Chemistry question

What is the number of - COOH groups present in phthalic acid?

(A)4
(B)1
(C)2Correct
(D)3

Answer: (C)

Solution

Phthalic acid is benzene-1,2-dicarboxylic acid, , which has two carboxyl groups on adjacent (ortho) carbons of the benzene ring. Its isomers isophthalic (1,3-) and

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Question ID VK-093667