Which one of the following compounds has the most acidic nature?

Solution

The presence of electron withdrawing substituent increases the acidity while electron releasing substituent, when present, decrease the acidity.
Phenyl is an electron withdrawing substituent while -CH₃ is an electron releasing substituent, Moreover, phenoxide ion is more resonance stabilised as compared to benzoyl oxide ion, thus, release proton more easily. That's why is a strong acid among the given.

Some More Questions From Alcohols, Phenols and Ethers Chapter

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Alcohols, Phenols And Ethers

Which one of the following compounds has the most acidic nature?

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