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Taking into account of hybridization and...

Taking into account of hybridization and resonance effects, rank the following bonds in order of decreasing bond length.

A

`I gt II = III`

B

`II gt III gt I`

C

`I gt III gt II`

D

`II = III = I`

Text Solution

Verified by Experts

The correct Answer is:
D
The more nearly equivalent the resonance contributors are in structure, the greater the resonance energy. The carbonate dianion is particularly stable because it has three equivalent resonance contributors.
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