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How can the following conversion be effected ? (a) Nitrobenzene to anisole (b) Chloro benzene to phenyl hydrazine (c) Aniline to benzoic acid (d) Benzene diazonium chloride to Ethyl benzene |
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Answer» Solution :`C_(6)H_(5)NO_(2) overset(Sn//HCl)RARR C_(6)H_(5)NH_(2) overset(HNO_(2))underset(HCl)rarr C_(6)H_(5)N_(2)Cl overset(CH_(3)OH) rarr C_(6)H_(5)OCH_(3)` `C_(6)H_(5)Cl overset(NH_(3))underset(HCl)rarr C_(6)H_(5)NH_(2) overset(HNO_(2))underset(HCl)rarr C_(6)H_(5)N_(2)Cl overset(Sn//HCl)rarr C_(6)H_(5)NHNH_(2)` `C_(6)H_(5)NH_(2) overset(HNO_(2))underset(HCl)rarr C_(6)H_(5)N_(2)Cl overset(KCN) underset(Cu_(2)(CN)_(2))rarr C_(6)H_(5)CN overset(H_(3)O^(+))rarr C_(6)H_(5)COOH` `C_(6)H_(5)N_(2)Cl overset(HBR) underset(Cu_(2)Br_(2))rarr C_(6)H_(5)Br underset(underset("dry ether")(C_(2)H_(5)Br))overset(NA)rarr C_(6)H_(5)-C_(2)H_(5)` |
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