question_answer

Compound ?A? reacts with \[PC{{l}_{5}}\] to give ?B? which on treatment with \[KCN\]followed by hydrolysis gave propanoic acid as the product. What is ?A?  [CBSE PMT 2002]

A)                 Ethane 

B)                 Propane

C)                 Ethyl chloride    

D)                 Ethyl alcohol

Correct Answer: D

Solution :

           \[{{C}_{2}}{{H}_{5}}OH+PC{{l}_{5}}\to {{C}_{2}}{{H}_{5}}Cl\xrightarrow{KCN}{{C}_{2}}{{H}_{5}}CN\]