Q.

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

Acetone(ii)H2O,H+(i)C2H5MgBr,dryetherProduct                                      [2021]

1 2-Methylbutan-2-ol  
2 2-Methylpropan-2-ol  
3 Pentan-2-ol  
4 Pentan-3-ol  

Ans.

(1)