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Organic Compounds

In the follow...

Question

In the following compound (Ascorbic acid) which labeled proton is most acidic?

A

Only IV

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B

Only III

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C

Only II

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D

Only I

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Solution

The correct option is B Only III
Deprotonation of III produces most resonance stabilised conjugate base and hence it is more acidic hydrogen.

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Organic Compounds

Standard XII Chemistry

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