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Which is false statement with respect to benzene?

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It has two types of C  C bond lengths
It has only one type of C – C bond length
All six carbons are sp2 carbons
It does not decolourise alkaline KMnO4

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detailed solution

Correct option is A

  • Single bonds have longer bonds than double bonds do. However, the C – C bonds in the benzene molecule are all of the same length. This is brought on by benzene's resonance effect. The benzene pi electron undergoes delocalization in the ring and makes every bond identical. 

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