A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y and Z.

AcademicChemistryNCERTClass 10

As X exists in two forms Y and Z, Y and Z are known as the allotropes of X. Given that Y is the hardest natural substance, hence, Y is diamond.

This implies that X is carbon, a non-metal.

Thus, Z is graphite, as it is a good conductor of electricity. 

raja
Updated on 10-Oct-2022 13:27:26

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