C_2H_5Cl xrightarrow{KCN} X xrightarrow{H_2 / | vedclass

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(A) Step $1$: $C_2H_5Cl + KCN ightarrow C_2H_5CN (X) + KCl$. Here,$X$ is propanenitrile $(CH_3CH_2CN)$.Step $2$: $C_2H_5CN + 2H_2 \xrightarrow{	ext

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$CH_3CH_2CH_2NC$

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(A) Step $1$: $C_2H_5Cl + KCN ightarrow C_2H_5CN (X) + KCl$. Here,$X$ is propanenitrile $(CH_3CH_2CN)$.Step $2$: $C_2H_5CN + 2H_2 \xrightarrow{	ext{Catalyst}} CH_3CH_2CH_2NH_2 (Y)$. Here,$Y$ is propan$-1-$amine.Step $3$: $CH_3CH_2CH_2NH_2 + CHCl_3 + 3KOH \xrightarrow{\Delta} CH_3CH_2CH_2NC (Z) + 3KCl + 3H_2O$. This is the carbylamine reaction,which is a test for primary amines. The product $Z$ is propyl isocyanide $(CH_3CH_2CH_2NC)$.

$C_2H_5Cl$ $\xrightarrow{KCN} X$ $\xrightarrow{H_2 / \text{Catalyst}} Y$ $\xrightarrow{CHCl_3 / KOH} Z$
What is '$Z$' in the above sequence of reactions?

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$C_2H_5Cl$ $\xrightarrow{KCN} X$ $\xrightarrow{H_2 / \text{Catalyst}} Y$ $\xrightarrow{CHCl_3 / KOH} Z$What is '$Z$' in the above sequence of reactions?