Question 43
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.

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Solution

X — Carbon; Y — Diamond and Z — Graphite

Since X exists in two forms Y and Z, Y and Z are known as the allotropes of X.

Given, Y is the hardest natural substance i.e Y is diamond. This implies that X is carbon, a non-metal and thus, Z is graphite, known to be a good conductor of electricity.

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Question 43 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.

X — Carbon; Y — Diamond and Z — Graphite Since X exists in two forms Y and Z, Y and Z are known as the allotropes of X. Given, Y is the hardest natural substance i.e Y is diamond. This implies that X is carbon, a non-metal and thus, Z is graphite, known to be a good conductor of electricity.

Question 43
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.