JEE Main 2026 Chemistry question
'A' is a neutral organic compound (M. F: ). On treatment with aqueous /HO, 'A' forms a compound 'B' which is soluble in dilute acid. 'B' on treatment with aqueous /HCl (C) produces a compound 'C' which on treatment with CuCN/NaCN produces 'D'. Hydrolysis of 'D' produces 'E' which is also obtainable from the hydrolysis of 'A'. 'E' on treatment with acidified produces 'F'. 'F' contains two different types of hydrogen atoms. The structure of 'A' is
Answer: (3)
Solution
A is p-methylbenzamide (4-CH3-C6H4-CONH2). Hofmann bromamide reaction gives amine B, diazotization gives C, Sandmeyer with CuCN gives nitrile
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