In which of the following electrolysis, the composition of electrolyte is expected to remain constant under optimum conditions:

Aq. AgNO

_{3}

solution between Ag electrodes

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Aq. CuSO

_{4}

solution between Pt electrodes

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Fused NaCl between Pt electrodes

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Aqueous AgNO

_{3}

solution between Pt electrodes

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Solution

The correct option is A Aq. AgNO $_{3}$ solution between Ag electrodes
In case of Aq. $A g N O_{3}$ with Ag electrodes, metal from anode goes to the solution and metal from solution goes to the cathode, hence the composition of electrolyte does not change with time and remain constant.
Hence. option A is correct.

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Predict the products of electrolysis in each of the following:

(i) An aqueous solution of AgNO₃ with silver electrodes

(ii) An aqueous solution AgNO₃ with platinum electrodes

(iii) A dilute solution of H₂SO₄ with platinum electrodes

(iv) An aqueous solution of CuCl₂with platinum electrodes.

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In which of the following electrolysis, the composition of electrolyte is expected to remain constant under optimum conditions:

The correct option is A Aq. AgNO3 solution between Ag electrodesIn case of Aq. AgNO3 with Ag electrodes, metal from anode goes to the solution and metal from solution goes to the cathode, hence the composition of electrolyte does not change with time and remain constant.Hence. option A is correct.