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Question

Chemistry Question on Haloalkanes And Haloarenes

Write the mechanism of the following reaction : nBuBr+KCN→EtOH-H2O nBuCN

Answer

The given reaction is:nBuBr+KCN→EtOH-H2O nBuCN
The given reaction is an SN2 reaction. In this reaction, CN− acts as the nucleophile and attacks the carbon atom to which Br is attached.CN− ion is an ambident nucleophile and can attack through both C and N. In this case, it attacks through the C-atom.
nucleophile and attacks the carbon atom