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a
It has 5-membered carbon ring
b
It has 6-membered carbon ring
c
It has sp2 hydridization
d
It has 5-membered rings more than 6-membered rings
answer is D.
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Detailed Solution
C60 - Fullerence1) C60 - fullerence is made up of 20 hexagons(six membered rings) and 12 pentagons (five membered rings)2) A hexagon fused may with hexagon (or) may with pentagon3) But a pentagon is always fused with hexagon only but never fused with pentagon