Q.

The number of Pentagons and Hexagons, respectively in C60- Fullerene are

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a

10 & 20

b

30 & 30

c

20 & 10

d

12 & 20

answer is D.

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Detailed Solution

C60 - Fullerence1) C60 - fullerence is made up of 20 hexagons and 12 pentagons2) A hexagon fused may with hexagon (or) may with pentagon3) But a pentagon is always fused with hexagon only but never fused with pentagon
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