UPSC CDS II 2025 GK Paper

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Question : 35 of 120

Marks: +1, -0

Which one of the following statements is not correct for benzene?

Each carbon atom forms sigma bonds with two other carbon atoms with a bond angle of 120°.
Delocalized electrons create a symmetrical 'cloud' of electrons above and below the plane.
The length of C-C bonds is intermediate between single and double bonds.
It has six isomers.

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