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Which of the two structures (A) and (B) ...

Which of the two structures (A) and (B) given below is more stabilised by resonance.
Explain `underset((A))(CH_(3)COOH) " and " underset((B))(CH_(3)COoverset(Θ)(O))`

Text Solution

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Both `CH_(3)COOH` and `CH_(3)Cooverset(Θ)(O)` ion exhibit resonance as follows :

Structure (B) is more resonance stabilised since both the contributing structures for the carboxylate ion are equivalent.
Structure [A] is comparatively less stabilised since the contributing structures for the carboxylic acid are not equivalent.
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