One litre 1 M `CuSO_(4)` solution is electrolysed. After passing 2 F of electricity, the molarity of solution will be

Question

One litre 1 M `CuSO_(4)` solution is electrolysed. After passing 2 F of electricity, the molarity of solution will be

One litre 1 M `CuSO_(4)` solution is electrolysed. After passing 2 F of electricity, the molarity of solution will be
A. `M//3`
B. `M//2`
C. `M//4`
D. 0

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - d
`Cu^(2+)+2e^(-) rarrCu`
2F will decompose 1 mol of `Cu^(2+)` and will deposit 1 mol of copper.
1L of 1M `CuSO_(4)` solution contains 1 mol of `CuSO_(4)`
therefore, molarity after electrolysis =0

6 views Answered 2023-02-05 15:29