Chemistry
Grade-9
Easy

Question

They are non-conductors of electricity in solid, molten or aqueous state.

  1. HCN
  2. Na2SO4
  3. NaCl
  4. NH3

hintHint:

Ionic compounds conduct electricity.

The correct answer is: Na2SO4


    • HCN is a strong electrolyte and conducts electricity.
    • NaCl is salt soluble in water and conducts electricity.
    • NH3 conducts electricity in solution.
    • Na2SOis a non-conductors of electricity in a solid, molten, or aqueous state.

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