Alcohols Phenols And Ethers Question 180

Question: Formaldehyde gives an additive product with methyl magnesium iodide which on aqueous hydrolysis gives

[MP PMT/PET 1988]

Options:

A) Isopropyl alcohol

B) Ethyl alcohol

C) Methyl alcohol

D) Propyl alcohol

Show Answer

Answer:

Correct Answer: B

Solution:

$ \begin{matrix} H \\ H \\ \end{matrix}>C=O\xrightarrow{CH_3MgI}\underset{CH_3}{\mathop{\underset{|}{\mathop{CH_2}}}}-O-MgI\xrightarrow{Hydrolysis} $

$ CH_3-CH_2-OH+Mg<\begin{matrix} I \\ OH \\ \end{matrix} $