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Question

Graphite is a good conductor of electricity due to the presence of:

A
lone pair of electrons
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B
free valence electrons
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C
cations
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D
anions
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Solution

The correct option is B free valence electrons
In graphite, one carbon atom is attached to three other carbon atoms. One electron of carbon remains free. Due to this free valence electron graphite is an electrical conductor.

Hence, the correct answer is option B.

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