when two half-cells of electrode potential of `E_1` and `E_2` are combined to form a half cell of electrode potential `E_3` , then (when `n_1,n_2and n_3` are no. of electrons exchanged in first second and combined half-cells:
A
`E_3=E_2-E_1`
B
`E_3=(E_1n_1+E_2n_2)/(n_3)`
C
`E_3=(E_1n_1+E_2n_2)/(n_3^2)`
D
`E_3=E_1-E_2`
Text Solution
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The correct Answer is:
B
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