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NDA 2 2024 GAT, question 119

Topic: Chemistry

Q119

The elemental composition of diamond is

  1. (a) Carbon and Hydrogen
  2. (b) Carbon and Oxygen
  3. (c) Pure CarbonCorrect answer
  4. (d) Pure Silicon

Solution.

Answer: (c) Pure Carbon

  1. Diamond is an allotrope of carbon: its lattice contains carbon atoms joined in a three-dimensional covalent network.
  2. Its hardness does not make it a compound of several elements.