WBJEE · Chemistry · Electrochemistry
The quantity of electricity needed to separately electrolyze 1 M solution of \(\mathrm{ZnSO}_{4}\), \(\mathrm{AlCl}_{3}\) and \(\mathrm{AgNO}_{3}\) completely is in the ratio of
- A \(2: 3: 1\)
- B \(2: 1: 1\)
- C \(2: 1: 3\)
- D \(2: 2: 1\)
Answer & Solution
Correct Answer
(A) \(2: 3: 1\)
Step-by-step Solution
Detailed explanation
From the Faradiay's IInd law, we know that \[ W \propto \text { Zit, } \quad W \propto \frac{E}{96500} i t \] or \(\quad\) it \(\propto \frac{1}{E}\) or electricity \(\propto \frac{1}{E}\) Thus, the amount of electricity required for \(\mathrm{ZnSO}_{4}, \mathrm{AlCl}_{3}\) and…
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