1.

Assertion. Graphite is a good conductkorof heat and electricity. Reason. Graphitehas all the electronsfirmly held in C-C, sigma-bonds.

Answer»

If both assertion and REASON are true, and reason is the true explanation of the assertion.
If both assertion and reason are true, but reason not is the true explanation of the assertion.
If assertion is true, but reason is false.
If both assertion and reason are false.

Solution :Correct reason. Eachcarbon in GRAPHITEHAS one FREE electron which makes graphites a good CONDUCTOR of electricity.


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