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  4. Which one of the following substituents at para-position is most effective in stabilizing the phenoxide ion ?

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Q. Which one of the following substituents at para-position is most effective in stabilizing the phenoxide ion ?Chemistry Question Image

JEE MainJEE Main 2014Alcohols Phenols and Ethers

Solution:

Electron withdrawing group stabilises the benzene ring due to delocalisation of charge.

$-CH_{3} \, and -CH_{2}OH$ are electron donating group and hence decrease the stability of benzene ring $-OCH_{3}$ is weaker electron withdrawing group than $-COCH_{3}.$ Hence $-COCH_{3}.$ group more stabilize the phenoxide ion at p-position.