sblock Elements 1 Question 32
32. A solution of sodium sulphate in water is electrolysed using inert electrodes. The products at cathode and anode are respectively
(1987, 1M)
(a) $\mathrm{H}_2, \mathrm{O}_2$
(b) $\mathrm{O}_2, \mathrm{H}_2$
(c) $\mathrm{O}_2, \mathrm{Na}$
(d) $\mathrm{O}_2, \mathrm{SO}_2$
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Answer:
Correct Answer: 32. (a)
Solution: $\mathrm{H}_2 \mathrm{O}$ is reduced as well as oxidised giving $\mathrm{H}_2(\mathrm{~g})$ at cathode and $\mathrm{O}_2(g)$ at anode.
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