Which one of the following elements forms the highest number of compounds?

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NDA (Held On: 23 Apr 2017) General Ability Test Previous Year paper
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  1. Oxygen
  2. Hydrogen
  3. Chlorine
  4. Carbon

Answer (Detailed Solution Below)

Option 4 : Carbon
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The correct answer is Option 4, i.e Carbon.

  • Carbon can form a large number of chemical compounds, at least 10 million in number.
  • It also has the highest sublimation point among all the elements.
  • It is the 15th most abundant element on Earth’s Crust.
  • Graphite, Diamond, Fullerenes are some of the allotropes of Carbon.
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