Exams › JEE Main › Chemistry

C60, 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.

Correct answer: 20 hexagons and 12 pentagons.

Solution

C60, also known as buckminsterfullerene, is structured like a soccer ball, consisting of 20 hexagonal and 12 pentagonal faces, which is characteristic of its spherical geometry and stability.

Related JEE Main Chemistry questions

• Which of the following arrangements shows the decreasing order of acidic nature?
• Which one of the following oxides shows amphoteric behaviour?
• In boric acid (H₃BO₃), the hybridization states of the boron atom and the oxygen atoms are, respectively,
• A xenon fluoride compound contains 53.5% xenon by mass. What oxidation state does xenon have in this compound?
• For a cement of good quality, what should be the approximate ratios of the following? I. Silica to alumina II. CaO to the combined oxides of SiO2, Al2O3 and Fe2O3
• Because the ns² electrons of the valence shell do not readily take part in bonding, which statement is correct?

⚔️ Practice JEE Main Chemistry free + battle 1v1 →