Question

What is the $IUPAC$ name of the organic compound formed in the following chemical reaction ?

• A. $\text{2-methylbutan-2-ol}$
• B. $\text{pentan-3-ol}$
• C. $\text{pentan-2-ol}$
• D. $\text{2- methylpropan-2-ol}$

Answer 1

The correct option is A $\text{2-methylbutan-2-ol}$

Acetone with grignard reaction is a nucleophilic addition reaction.


The compound contain four carbons in the longest chain, main functional group is alcohol $\text{(suffix name: ol)}$ and methyl group attached at $2^{nd}$ position.

Hence, the $IUPAC$ name is $\text{2-methylbultan-2-ol}$