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Complete the following reactions: (i) C_(6)H_(5)NH_(2)+CHCl_(3)+alc.KOH to (ii) C_(6)H_(5)N_(2)Cl+H_(3)PO_(2)+H_(2)Oto (iii) C_(6)H_(5)NH_(2)+H_(2)SO_(4)(conc.)to (iv) C_(6)H_(5)N_(2)Cl+C_(2)H_(5)OH to (v) C_(6)H_(5)NH_(2)+Br_(2)(aq)to (vi) C_(6)H_(5)NH_(2)+(CH_(3)CO)_(2)O to (vii) C_(6)H_(5)N_(2)Cl underset((ii) NaNO_(2)//Cu,Delta)overset((i)HBF_(4))to |
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Answer» SOLUTION :(i) `underset("Aniline")(C_(6)H_(5)NH_(2))+CHCl_(3)+3KOH(alc) underset(("Carbylamine reaction"))overset(Delta)to underset("Phenyl ISOCYANIDE (Offensive smell)")(C_(6)H_(5)N overset(to)(=)C)+3KCl +3H_(2)O` (ii) `underset("Benzenediazonium chloride")(C_(6)H_(5)N_(2)Cl) +H_(3)PO_(2)+H_(2)O underset(("Reduction"))overset(Cu^(+))to underset("Benzene")(C_(6)H_(6))+N_(2)+H_(3)PO_(3)+HCl` (iii) `underset("Aniline")(C_(6)H_(5)NH_(2))+H_(2)SO_(4)(conc.) to underset("Anilinium hydrogen sulphate")(C_(6)H_(5)overset(+)(N)H_(3)HSO_(4)^(-))` (IV) `underset("Benzenediazonium chloride")(C_(6)H_(5)N_(2)Cl)+C_(2)H_(5)OH overset("Reduction")to underset("Benzene")(C_(6)H_(6))+underset("Ethanal")(CH_(3)CHO)+N_(2)+HCl` (v).  (vi) `underset("Aniline")(C_(6)H_(5)NH_(2))+ underset("Acetic anhydride")(CH_(3)CO-O-COCH_(3)) underset("or Pyridine (Acetylation)")overset(CH_(3)COOH)to underset("Acetanilide")(C_(6)H_(5)-NHCOCH_(3))+CH_(3)COOH` (vii) `underset("Benzenediazonium chloride")(C_(6)H_(5)N_(2)Cl) underset(-HCl)overset(HBF_(4))to underset("Benzenediazonium fluroborate")(C_(6)H_(5)overset(+)(N_(2))BF_(4)^(-)) underset(Delta)overset(NaNO_(2)//Cu,)to underset("Nitrobenzene")(C_(6)H_(5)NO_(2))+BF_(3)+NaF` |
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