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Account for following : Chloromethane reacts with KCN to form ethane nitrile as main product and with AgCNto form methyl isocyanide as chief product. |
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Answer» Solution :`CN^(-)`is an ambident nucleophile. In KCN, C acts as the nucleophile because of the ionic nature of K-C bond. In AgCN, N acts as the nucleophile because of covalent nature of Ag - Cbond. Hence, chloromethane reacts with KCN to form ethane nitrile as the main product while with AgCN, methyl isocyanide is the chief product. `CH_(3)CL + KCN tounderset("Ethane nitrile")(CH_(3)CN + KCL)` `CH_(3)Cl + AgCN to underset("isocyanide")underset("Methyl")(CH_(3)NC) + AgCl ` |
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