The Total solution for NCERT class 6-12
When 3-methylbutan-2-ol is treated with HBr, the followingreaction takes place:
Give a mechanism for this reaction.
(Hint : The secondary carbocation formed in step IIrearranges to a more
The mechanism of the given reaction involves the followingsteps:
Step 1: Protonation
Step 2: Formationof 2° carbocation by the elimination of a water molecule
Step 3: Re-arrangement by the hydride-ion shift
Step 4: Nucleophilic attack