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Question

Why graphite is a good conductor of electricity?


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Solution

Allotropes:

  • There are different allotropes of carbon.
  • For example: graphite and diamond.

Tetravalency of carbon:

  • The carbon atom contains four electrons in its outermost shell that it can share to produce a stable electronic configuration, giving it a valency of four, indicating that it is tetravalent.
  • When one looks at the structural arrangement of graphite, one carbon atom is covalently bound to three other carbon atoms.
  • Because the fourth electron of each carbon atom is unbound, graphite conducts electricity.
  • As a result of the existence of free electrons in the structure, we may deduce that graphite is an excellent conductor of electricity.

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