The correct statements among the following
I) Fullerene has both single and double bonds
II) C–C bond lengths in Fullerene are 143.5 pm and 138.3 pm.
III) Fullerene has one electron at each carbon which is delocalized into molecular orbitals
IV) Fullerene is aromatic in nature

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I and II only

I, II and III only

I, II, III and IV

I, II and IV only

answer is C.

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Detailed Solution

Fullerence [Ex; C₆₀]
1) In fullerence each carbon undergoes "sp²" hybridisation, hence it has both single and double bonds
2) In fullerence the C — C bond length are 1.44A° [144pm] and 1.383A°
3) Fullerence has one unhybridised orbital with one electron at each carbon, which are delocalised
4) Delocalisation of electrons gives aromatic character to the fullerence

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