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JEE PYQ: P Block Elements Question 48

Question 48 - 2019 (09 Apr Shift 1)

$\text{C}_{60}$, an allotrope of carbon contains:

(1) 12 hexagons and 20 pentagons.

(2) 18 hexagons and 14 pentagons.

(3) 16 hexagons and 16 pentagons.

(4) 20 hexagons and 12 pentagons.

Show Answer

Answer: (4)

Solution

Fullerene ($\text{C}_{60}$) contains 20 hexagons (six membered) rings and 12 pentagons (five membered rings).


Learning Progress: Step 48 of 77 in this series