Following are the values of standard potentials of two half cells, which of the following will be the value of standard cell potential `(E_("cell")^(@

Following are the values of standard potentials of two half cells, which of the following will be the value of standard cell potential `(E_("cell")^(@))`
`Ni^(2+)//Ni: E^(@)=-0.25V`
`Zn^(2+)//Zn: E^(@)=+0.77V`
A. `-0.52V`
B. `+0.52V`
C. `-1.02V`
D. `+1.02V`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - B
`E_("Cell")^(@)=E_("cathode")^(@)-E_("anode")^(@)`
`=-0.25-(-0.77)=0.520`

5 views Answered 2023-02-05 15:29

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