निम्नलिखित अभिक्रियाओं को पूर्ण कीजिए-
(i) `C_(6) H_(5) NH_(2) +CHCI_(3)`+( ऐल्कोहॉली) `KOH to `
(ii) `C_(6)H_(5) N_(2) CI+ H_(3) PO_(2)+H_(2)O to `
(iii) `C_(6) H_(5) NH_(2)+ H_(2)SO_(4)`( सांद्र) ` to `
(iv) `C_(6) H_(5) N_(2)CI+ C_(2)H_(5) OH to `
(v) ` C_(6) H_(5) NH_(2) + Br_(2) (aq) to `
(vi) ` C_(6) H_(5) N_(2) CI overset((i) HBF_(4))underset((ii) NaNO_(2) // Cu . Delta) (to)`

Explanation

(i) `underset("Aniline")(C_(6)H_(5)NH_(2))+CHCl_(3)+3KOH(alc)`
`underset(("Carbylamine reaction"))overset(Delta)tounderset("Phenyl isocyanide")(C_(6)H_(5)Noverset(to)=C)+3KCl+3H_(2)O`
(ii) `underset("Benzene diazonium chloride")(C_(6)H_(5)N_(2)Cl)+H_(3)PO_(2)+H_(2)Ooverset(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.)tounderset("Anilinium hydrogen sulphate")(C_(6)H_(5)overset(+)HN_(3)HSO_(4)^(-))`
(iv) `underset("Benzene diazonium chloride")(C_(6)H_(5)N_(2)Cl)+C_(2)H_(5)OH underset(("Reduction"))to`
`underset("Benzene")(C_(6)H_(6))+CH_(3)CHO+N_(2)+HCl`
(v)
(vi)
`underset(("Acetylation"))overset(CH_(3)COOH)tounderset("Acetanilide")(C_(6)H_(5)NHCOCH_(3))+CH_(3)COOH`
(vii)`underset("Benzene diazonium chloride")(C_(6)H_(5)N_(2)Cl)underset(-HCl)overset(HBF_(4))toC_(6)H_(5)N_(2)^(+)BF_(4)^(-)`
`underset(Delta-Bf_(3),-NaF)overset(NaNO_(2)//Cu)tounderset("Nitrobenzene")(C_(6)H_(5)NO_(2))`