STANDARD Chemistry Electrolysis MCQ Question
On electrolysis of dil. sulphuric acid using platinum (Pt) electrode, the product obtained at anode will be
hydrogen gas
oxygen gas
H₂S gas
SO₂ gas
Correct Answer
Detailed Explanation
During electrolysis of dilute sulphuric acid, the reaction at anode is: 2H₂O(l) → O₂(g) + 4H⁺(aq) + 4e⁻. Oxygen gas is liberated at the anode.
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