Dilute sulfuric acid is electrolysed between inert electrodes. Which statements are correct? 1 Hydrogen is released at the negative electrode. 2 Oxygen is released at the positive electrode. 3 Sulfur dioixde is released at the positive electrode. 4 The acid becomes more concentrated. A 1,2 and 4 B 1 and 2 only C 2 and 3 D 3 and 4
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Due to this, oxygen gas will liberate in preference to sulphur dioxide gas at anode. During the electrolysis of dilute aqueous sulphuric acid, using platinum electrodes, oxygen gas is liberated at anode. Hence, the option B ) oxygen is the correct answer. Note: Cathode is a negative electrode.
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