The correct statement(s) related to allotropes of carbon is/ are :

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graphite is the thermodynamically most stable allotrope of carbon and having a two dimensional sheet like structure of hexagonal rings of carbon $(s p^{2})$

diamond is the hardest allotrope of carbon and having a three dimensional network structure of $C (s p^{3})$

fullerene $(C_{60})$ is recently discovered non-crystalline allotrope of carbon having a football-like structure

van der Waal's force of attraction acts between the layers of graphite 6.14 A away from each other

answer is A, B.

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Detailed Solution

Graphite is the thermodynamically most stable. Because it is less reactive in nature.

Diamond is the hardest allotrope of carbon. Because of the tetrahedral shape that is created by each carbon atom in a diamond being covalently connected to four other carbon atoms

Hence correct options are A and B.

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