Addition of HCN to ethyne in the presence of | vedclass

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Question

(C) The addition of $HCN$ to ethyne $(CH \equiv CH)$ in the presence of $Ba(CN)_2$ as a catalyst is an electrophilic addition reaction. The reaction p

Vedclass · Accepted Answer

Vinyl cyanide

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(C) The addition of $HCN$ to ethyne $(CH \equiv CH)$ in the presence of $Ba(CN)_2$ as a catalyst is an electrophilic addition reaction. The reaction proceeds as follows: $CH \equiv CH + HCN \xrightarrow{Ba(CN)_2} CH_2 = CH - CN$ The product formed is $CH_2 = CH - CN$,which is commonly known as vinyl cyanide (or acrylonitrile).

Addition of $HCN$ to ethyne in the presence of $Ba(CN)_2$ as a catalyst gives:

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