Standard electrode potential for Sn4+/Sn2+ couple is + 0.15 V and that for the Cr3+/Cr couple is $-$ 0.74 V. These two couples in their standard state are connected to make a cell. The cell potential will be
+ 1.19 V
+ 0.89 V
+ 0.18 V
+ 1.83 V
Solution
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