Question

Prepare the following by using methyl magnesium iodide:

2-methylpropan-2-ol

Answer 1

Step-I: A complex is created when acetone reacts with the Grignard reagent CH₃MgI (methyl magnesium iodide) in dry ether.

Step-II: Complex on further hydrolysis with dil. HCl forms a tertiary alcohol, i.e., 2-Methyl propan-2-ol.