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Write the cell reaction and calculate th...

Write the cell reaction and calculate the emf of the cell,at `25^@C, Cr(s)|Cr^3+(0.0065 M)|| Co^(2+)(0.012M)|Co(s), E_(Co)^0 =0.280 V, E_(Cr)^0 = 0.74V`. What is `DeltaG` for the cell reaction ? std potential=0.4463v

A

`M+X to M^(+)+X^(-)` is the spontaneous reaction

B

`M^(+)+X^(-) to M+X` is the spontaneous reaction

C

`E_(cell)= 0.77 V`

D

`E_(cell) = -0.77 V`

Text Solution

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The correct Answer is:
B
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