JEE Main 2024 Chemistry question
The mass of silver (Molar mass of Ag : 108 gmol⁻¹) displaced by a quantity of electricity which displaces 5600 mL of O₂ at S.T.P. will be g.
Answer: 108
Solution
At the anode 4OH⁻ → 2H₂O + O₂ + 4e⁻ (n-factor of O₂ = 4). 5600 mL of O₂ is 0.25
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