question_answer

\[{{C}_{6}}{{H}_{5}}MgBr\xrightarrow{Ether}A\xrightarrow{{{H}_{3}}{{O}^{+}}}Ba\]

A)   

B)   

C)                  

D)   

Correct Answer: A

Solution :

 Alkyl or Aryl cyanide react with grignard reagent to form ketones or \[{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}-\underset{\begin{smallmatrix}  | \\  {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}} \end{smallmatrix}}{\mathop{C}}\,=\text{O+MgBrN}{{\text{H}}_{\text{2}}}\]