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Which pair of electrolytes could not be ...

Which pair of electrolytes could not be distinguished by the products of electrolysis using inert electrodes ?

A

1 M `CuSO_(4)` solution, 1 M `CuCl_(2)` solution

B

1 M KCl solution, 1 M KCl solution

C

1 M `AgNO_(3)` solution, 1 M NaCl solution

D

1 M KCl solution, 1 M NaCl solution

Text Solution

Verified by Experts

The correct Answer is:
D
(d) Electrolysis of both KCl and NaCl solutions liberates `H_(2)` at the cathode and `Cl_(2)` at the anode. Thus, the distinction cannot be made by the gases evolved at the two electrodes. However, resulting solutions will be different. KOH in case of KCl and NaOH in case of NaCl.
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