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Which one of the following compounds has the most acidic nature?
Options:
- A
- B
- C
- D
Solution:
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The correct answer is:
Key Idea Presence of electron withdrawing substituent increases the acidity while electron releasing substituent, when present, decreases the acidity.
Phenyl is an electron withdrawing substituent while $-\mathrm{CH}_3$ is an electron releasing substituent. Moreover, phenoxide ion is more resonance stabilised as compared to benzyloxide ion, thus releases proton more easily. That's why is a strong acid among the given.
Phenyl is an electron withdrawing substituent while $-\mathrm{CH}_3$ is an electron releasing substituent. Moreover, phenoxide ion is more resonance stabilised as compared to benzyloxide ion, thus releases proton more easily. That's why is a strong acid among the given.
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