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Question

Which of the following structural features of graphite best accounts for its use as a lubricant ?

A
Delocalized electrons
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B
Strong covalent bonds between carbon atoms
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C
van der Waals forces between layers
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D
limited three covalency of carbon
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Solution

The correct option is C van der Waals forces between layers
Graphite is used as a lubricant due to its slippery nature. Graphite has layers of carbon atoms, with van der waals weak forces, residing in between its layers because of which it is quite slippery.

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