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Question
Identify compounds A, B and C in the following sequence of reaction.
\[\ce{C6H5N2Cl ->[CuCN] A ->[H2O/H^+] B ->[NH3] C}\]
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Solution
\[\ce{\underset{(Benzenediazonium chloride)}{C6H5N2Cl} ->[CuCN] \underset{\underset{(A)}{(Cyanobenzene)}}{C6H5CN} ->[H2O/H^+] \underset{\underset{(B)}{(Benzoic acid)}}{C6H5COOH} ->[NH3/\Delta] \underset{\underset{(C)}{(Benzamide)}}{C6H5CONH2}}\]
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