Ncert Exercises & Solutions

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

(1) Lone pair of electrons.

(2) Free valence electrons.

(3) Cations.

(4) Anions.

(2) HINT: Graphite is a covalent solid.

Explanation: Graphite is a good conductor of electricity due to presence of free valence electrons. In graphite, each carbon is sp² hybridised having one free electron which makes graphite a good conductor of electricity.

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