UPSC NDA II 2015 General Ability Solved Paper

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Question : 85 of 150

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Graphite is a much better conductor of heat and electricity than diamond. This is due to the fact that each carbon atom in graphite:

[NDA II 2015]

undergoes sp2 hybridization and forms three sigma bonds with three neighbouring carbon atoms
undergoes sp3 hybridization
is tetrahedrally bonded
is free from van der Waals force

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