Predict the relative bond lengths a and b, in napthalene

a > b

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a < b

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a = b

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none of these

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Solution

The correct option is B
a < b

From the resonating structures of naphthalene, it is evident that the bond a is double bond in two of the three resonating structures, while bond b is a double bond only in one of the three resonating structures.

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Similar questions

Predict the relative bond lengths a and b, in napthalene

How bond energies and bond lengths of the molecule helps us in predicting their chemical properties? Explain with example.

B - F

B F_{3}

B - F

B F_{3}

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