Write the structures of compounds $A, B$ in the following reaction.

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Solution

In the above reaction on treatment of $P o C l_{3}$ , it produces cyclohexanecarbonitrile. After reaction with $C_{2} H_{5} M g B r$ it produce ketones

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Write the structures of compounds A, B and C in the following reactions:

$C_{6} H_{5} {N O}_{2} F e / H C l - ---- \to A H {N O}_{2}; 273 K - ------ \to B C_{6} H_{5} O H - ---- \to C$

^{'} A^{'},^{'} B^{'},^{'} C^{'}

^{'} D^{'}

^{'} A^{'} + C H_{3} M g B r H_{2} O - - \to C H_{3} C H_{2} C H (O H) C H_{3} c o n c . H_{2} S O_{4} - ------ \to^{'} B^{'} B r_{2} - - \to^{'} C^{'} a l c . K O H - ---- \to^{'} D^{'}

A, B

C

C H_{3} - C O O H N H_{3} / Δ - --- \to A B r_{2} / K O H (a q) - -------- \to B C H C l_{3} + a l c . K O H - ---------- \to C

C_{6} H_{5} N_{2}^{+} B F_{4}^{-} N a N O_{2} / C u - ------ \to △ A F e / H C l - ---- \to B C H_{3} C O C l / p y r i d i n e - ----------- \to C

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