The standard emf of the cell `Zn+Cu^(2+)rarrCu+Zn^(2+)` is 1.10V at `25^(@)c` the emf of the cell when 0.1 M `Cu^(2)+` and 0.1 M `Zn^(2+)` solution ar

Question

The standard emf of the cell `Zn+Cu^(2+)rarrCu+Zn^(2+)` is 1.10V at `25^(@)c` the emf of the cell when 0.1 M `Cu^(2)+` and 0.1 M `Zn^(2+)` solution ar

The standard emf of the cell
`Zn+Cu^(2+)rarrCu+Zn^(2+)` is 1.10V at
`25^(@)c` the emf of the cell when 0.1 M `Cu^(2)+` and 0.1 M `Zn^(2+)` solution are used will be
A. 1.10V
B. 0.110V
C. `-1.10V`
D. `-0.1 10V`

Monjur Alahi

5 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 - A
`E_("cell")=E_("cell")^(@)-(0.059)/(2)"log"([Zn^(2+)])/([Cu^(2+)])`
`=1.10-(0.059)/(2)"log"(0.1)/(0.1)`
=1.10V

5 views Answered 2023-02-05 15:29