The standard electrode potentials for the reactions Ag+(aq.)+e−→Ag(s) Sn2+(aq.)+2e−→Sn(s) at 25oC are 0.80volt and −0.14volt respectively. The emf of the cell, Sn|Sn2+(1M)||Ag+(1M)|Ag is :
A
0.66volt
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B
0.80volt
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C
1.08volt
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D
0.94volt
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