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(C) The synthesis of benzyl isocyanide $(C_6H_5CH_2NC)$ can be achieved through the following reactions:$(A)$ Benzyl bromide $(C_6H_5CH_2Br)$ reacts w

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$A$ and $B$

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(C) The synthesis of benzyl isocyanide $(C_6H_5CH_2NC)$ can be achieved through the following reactions:$(A)$ Benzyl bromide $(C_6H_5CH_2Br)$ reacts with $AgCN$ to form benzyl isocyanide $(C_6H_5CH_2NC)$ as the major product because $AgCN$ is a covalent compound.$(B)$ Benzylamine $(C_6H_5CH_2NH_2)$ is a primary amine. Primary amines undergo the carbylamine reaction when heated with chloroform $(CHCl_3)$ and alcoholic $KOH$ to form isocyanides $(R-NC)$. Thus,benzylamine gives benzyl isocyanide.$(C)$ $N$-methylbenzylamine is a secondary amine and does not undergo the carbylamine reaction.$(D)$ Benzyl tosylate $(C_6H_5CH_2OTs)$ reacts with $KCN$ (an ionic compound) to form benzyl cyanide $(C_6H_5CH_2CN)$ as the major product.Therefore,benzyl isocyanide is obtained in reactions $(A)$ and $(B)$.

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Benzyl isocyanide can be obtained by:Choose the correct answer from the options given below: