p-Block Elements-I - Result Question 5-1
5. $\mathrm{C}_{60}$ an allotrope of carbon contains
(2019 Main, 9 April I)
(a) $16$ hexagons and $16$ pentagons
(b) $20$ hexagons and $12$ pentagons
(c) $12$ hexagons and $20$ pentagons
(d) $18$ hexagons and $14$ pentagons
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Answer:
Correct Answer: 5. (b)
Solution:
- $\mathrm{C}_{60}$ is aromatic allotrope of carbon containing $12$ pentagons and $20$ hexagons. It is a fullerene having a shape like soccer ball and called Buckminster fullerene.
BETA
