question_answer

 \[2HC\equiv CH\,\,\xrightarrow[+N{{H}_{4}}Cl]{C{{H}_{2}}C{{l}_{2}}}\,A\,\,\xrightarrow[HCl]{1\,\,mol}\,\,B\] Identify the compounds A and B.

A)  

B)  

C)  

D)  

Correct Answer: A

Solution :

                                  \[\therefore \] The compound A is and B is