Though both diamond and graphite are purest forms of carbon only graphite can conduct electricity. Explain.

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Solution

For conduction of electricity free electrons are needed, and among graphite and diamond only graphite contains free electrons.

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Similar questions

Q. Why can graphite conduct electricity but diamonds cannot?

Write 'true' or 'false' against the following statements :

(a) Carbon constitutes 0.03 $%$ of the earth's crust.

(b) Graphite is the purest form of carbon.

(d) Graphite has layers of hexagonal carbon bondings.

(e) Diamond is insoluble in all solvents.

Q. The crystalline forms of carbon are diamond, graphite and ________.

Q. Assertion :STATEMENT 1: Silicon exists only in diamond-like structure while carbon exists both in diamond and graphite forms. Reason: STATEMENT 2: Carbon can show pronounced

p π - p π

bonding while silicon shows negligible extent of

p π - p π

bonding.

(a) What is the unique property of carbon atom? How is this property helpful to us?
(b) Explain why diamond is hard while graphite is soft (though both are made of carbon atoms).

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