Alcohols Phenols and Ethers - Result Question 20
####20. $HBr$ reacts fastest with
(a) 2-Methylpropan-1-ol
(b) 2-Methylpropan-2-ol
(c) propan-2-ol
(d) propan-1-ol.
Show Answer
Solution:
- (b) Since 2-methylpropan-2-ol generates $3^{\circ}$ carbocation, therefore, it reacts fastest with $HBr$.
Greater the stability of the intermediate carbocation, more reactive is the alcohol.
