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Which one of the following is a covalent compound?

Options

  1. ACalcium oxide
  2. BSodium nitride
  3. CSilicon carbide
  4. DZinc sulphide

Correct answer

C. Silicon carbide

Step-by-step solution

Calcium oxide ( CaO ) , Calcium nitride ( Ca ₃ ~N ) , Zinc sulphide ( ZnS ) are ionic compounds Silicon carbide ( SiC ) is a covalent compound as this compound is linked by strong covalent bonding, Its structure is similar to diamond. It is vary hard to break.

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