MolSynapsequestion bank

MolSynapse / Question bank / p-Block Elements: Groups 13 and 14 / Carbon allotropes, oxides of carbon

NEET levelSingle correct optionDifficulty 1 of 3pb187

The fullerene $C X_{60}$ has a cage structure made up of

A12 six-membered rings only
B60 five-membered rings
C20 five-membered rings and 12 six-membered rings
D12 five-membered rings and 20 six-membered rings

Answer: D

C X_{60}

is a truncated icosahedron, with 12 pentagons and 20 hexagons. Check: vertices = (12 x 5 + 20 x 6)/3 = 60.

Practice p-Block Elements: Groups 13 and 14 More on Carbon allotropes, oxides of carbon

Previous questionNext question

More questions on Carbon allotropes, oxides of carbon