question_answer

Which of the following compound obtains on the reaction of formaldehyde with\[C{{H}_{3}}MgX\]?

A)  \[C{{H}_{3}}CHO\]       

B)  \[C{{H}_{3}}C{{H}_{2}}OH\]

C)  \[HCOOH\]      

D)  \[C{{H}_{3}}COOH\]

Correct Answer: B

Solution :

 \[C{{H}_{3}}MgX+\underset{formaldehyde}{\mathop{H-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\mathop{C}}\,=O}}\,\xrightarrow[{}]{{}}\]