STANDARDChemistry-Electrochemistry
STANDARD Chemistry Electrolysis MCQ Question
Type: MCQ-conceptual-Easy-Class 12
On electrolysis of dil. sulphuric acid using platinum (Pt) electrode, the product obtained at anode will be
A
hydrogen gas
B
oxygen gas
C
H₂S gas
D
SO₂ gas
Correct Answer
Option B
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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