MCQ practice · SSC Chemistry Board questions · Chapter 5: Chemical Bond
Whose aqueous solution does not conduct electricity?
Think it through first, then pick an option.
- a C₁₂H₂₂O₁₁
- b H₂SO₄
- c CuSO₄
- d ZnCl₂
Answer and explanation
Correct answer: a C₁₂H₂₂O₁₁
Sugar is covalent and forms no ions in solution, so it does not conduct.
Why the other options are wrong
- b H₂SO₄: H₂SO₄ forms ions in solution and conducts (like HCl).
- c CuSO₄: CuSO₄ is ionic; its solution holds Cu²⁺ and SO₄²⁻ and conducts.
- d ZnCl₂: ZnCl₂ is ionic; its solution holds ions and conducts.
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