question_answer

On reacting with G.R. acetone gives:

A)  \[{{1}^{o}}\] alcohol      

B)  \[{{2}^{o}}\]alcohol

C)  \[{{3}^{o}}\] alcohol      

D)  none of these

Correct Answer: C

Solution :

\[C{{H}_{3}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,=O+RMgX\xrightarrow{{}}\underset{{{H}^{+}}\downarrow ({{H}_{2}}O)}{\mathop{C{{H}_{3}}-\underset{R}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-OMgX}}\,\]