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  4. Acetylene reacts with HCN in the presence of Ba(CN)2 to give

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Q. Acetylene reacts with $ HCN $ in the presence of $ Ba{{(CN)}_{2}} $ to give

Rajasthan PETRajasthan PET 2008

Solution:

Acetylene reacts with $ HCN $ in the presence of $ Ba{{(CN)}_{2}} $ to given cyanide. $ CH\equiv CH+HCN\xrightarrow[{}]{Ba{{(CN)}_{2}}}\underset{vinyl\text{ }cyanide}{\mathop{C{{H}_{2}}=CHCN}}\, $