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Electrochemistry
Electrolysis – Products of Electrolysis
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Concepts tested
- anode product in electrolysis of dilute H2SO4
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2020 1 question
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On electrolysis of dil.sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be:During electrolysis of dilute sulphuric acid using Pt electrodes: Cathode: $4H^+(aq) + 4e^- \rightarrow 2H_2(g)$ Anode: $2H_2O(l) \rightarrow O_2(g) + 4H^+(aq) + 4e^-$ So oxygen gas is obtained at the anode.