question_answer

In a set reactions acid yielded a product D \[C{{H}_{3}}COOH\xrightarrow{SOC{{l}_{2}}}A\underset{Anhr.\,AlC{{l}_{3}}}{\mathop{\xrightarrow{Benzene}}}\,B\xrightarrow{HCN}C\xrightarrow{HOH}D.\]                                                 [CBSE PMT 2005]

A)                                

B)                

C)                

D)                

Correct Answer: A

Solution :

           \[C{{H}_{3}}COOH\underset{Thionylchloride\,\,}{\mathop{\xrightarrow{SOC{{l}_{2}}}}}\,\overset{\overset{\,\,\,\,\,O}{\mathop{\,\,\,\,\,\,\,\,|\ |}}\,}{\mathop{C{{H}_{3}}-C-Cl}}\,\underset{\begin{smallmatrix}  Anhy\,AlC{{l}_{3}} \\  Friedel\,craft  \\  acylation \end{smallmatrix}}{\mathop{\xrightarrow{Benzene}}}\,\]