32. An aqueous solution of sodium sulphate () is electrolyzed using completely inert Platinum electrodes. What happens to the macroscopic pH of the uniformly mixed bulk solution over time?

Question

32. An aqueous solution of sodium sulphate ($Na_2SO_4$) is electrolyzed using completely inert Platinum electrodes. What happens to the macroscopic pH of the uniformly mixed bulk solution over time?

Prashant Kotian · Accepted Answer

Correct answer: C. Cathode: (produces base). Anode: (produces acid). For every 4e- passed, 4 and 4 are produced. When the bulk solution mixes, they neutralize perfectly to form water, leaving the net pH unchanged.

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