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Q.
Electrophilic reagent reacts fastly with
Alcohols Phenols and Ethers
Solution:
Electron donating effect decreases in the order
$OH > OCH _{3}> NHCOCH _{3}> CH _{3}> CH _{2} OH$
- $OH$ is the strong electron donating group and hence $o$-cresol is most reactive towards electrophilic reagents.