question_answer

Which of the following reagents is used to distinguish ethene from ethyne?

A)  bromine in \[CC{{l}_{4}}\]

B)  ammonical \[C{{u}_{2}}C{{l}_{2}}\]

C)  bromine water                         

D)  alkaline KMn04

Correct Answer: B

Solution :

Ethyne reacts with ammonical cuprous chloride solution to produce red colour Ethene does not react with ammonical \[C{{u}_{2}}C{{l}_{2}}\].