An alcoholic solution of potassium cyanide was allowed to react with monoiodo derivative of ethane. The product formed will be

Acetylene is allowed to react with an excess of HCl in the presence of HgCl_2 . The product formed is

An alkyl halide reacts with alcoholic ammonia in a sealed tube, the product formed will be a

Write balanced chemical equations for the following and name the reactions occurring in each case : (A) Benzaldehyde react with an alcoholic solution of potassium cyanide. (B) Propanone is treated with iodine and excess of alkali and warmed.

were allowed to react in presence strong solution of NaOH. the products are

When ethene is allowed to react with diazomethane is presence of UV is light, the product formed is

(A) Treatment of alkyl halide with alcoholic solution of potassium cyanide gives isocyanide. (R) Cyanide are used for the preparation of anmines and amides.