Which of the following is incorrect for stability of structures.
A
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B
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C
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D
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Solution
The correct option is B
Here, the second structure is more stable than the first due to the presence of conjugation in the second compound. Hence, the given order of stability is incorrect.
Here, the second structure is more stable than the first structure due to the presence of conjugation in the second structure. Hence, the given order of stability is correct.
The given order of stability is correct, due to the presence of conjugation in the first structure it is more stable.
The given order of stability is correct, due to the presence of conjugation in the first structure it is more stable.