JEE Main 2025 Chemistry question
O gas will be evolved as a product of electrolysis of : (A) an aqueous solution of AgNO using silver electrodes. (B) an aqueous solution of AgNO using platinum electrodes. (C) a dilute solution of HSO using platinum electrodes. (D) a high concentration solution of HSO using platinum electrodes. Choose the correct answer from the options given below :
Answer: (1)
Solution
With Pt electrodes and AgNO3, at anode O2 is evolved due to oxidation of water (B). With dilute H2SO4 and Pt electrodes, water is oxidized to O2 at anode
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