Question

$HBr$ reacts fastest with

• A. 2-methyl propan-1-ol
• B. 2-methyl propan-2-ol
• C. propan-2-ol
• D. propan-1-ol

Answer 1

Answer: (B)

Tertiary alcohols react fastest with hydrogen halides. $2$-methyl propan-$2$-ol is a tertiary alcohol.