JEE Main Chemistry question

1,2-Bis(hydroxymethyl)benzene (*o*-xylylene glycol) is vigorously oxidised to X, which on dry heating gives Z. Z is

Answer: (C)

Solution

Vigorous oxidation converts both benzylic –CH₂OH groups fully to –COOH, giving phthalic acid (*o*-C₆H₄(COOH)₂) as X. On dry heating,

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Question ID VK-140358