1.

Write the structures of A, B and C in the following : (i) C_(6)H_(5)-CONH_(2) overset("Br_(2)//aq.KOH)(rarr)A underset(0-5^(@)C)overset(NaNO_(2)+HCl)(rarr)B overset(KI)(rarr)C (ii) CH_(3)-Cl overset(KCN)(rarr)A overset(LiAlH_(4))(rarr)B underset(Delta)overset(CHCl_(3)+alc.KOH)(rarr)C

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Solution :(i) `A=underset(underset("DIAZONIUM CHLORIDE")("ANILINE"))(C_(6)H_(5)NH_(2)),""B=underset("Benzene")(C_(6)H_(5)N_(2)^(+)Cl^(-)), ""C=underset("Iodobenzene")(C_(6)H_(5)I)`
(ii) `A=underset(underset("cyanide")("Methyl"))(CH_(3)CN), ""B=underset("Ethanamine")(CH_(3)CH_(2)NH_(2)), ""C=underset("Ethyl isocyanide")(CH_(3)CH_(2)NC)`


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