A feasible cell was constructed by joining the two half c...
A feasible cell was constructed by joining the two half cells below. Cu2+ (aq) + 2e- → Cu(s) Eo = - 0.76 V. What is the standard e.m.f. of the cell?
- 1.1V
- 0.42V
+0.42V
+1.1V
Correct answer is D
e.m.f. = + 0.34 -(-0.76) = 0.34 + 0.76 = +1.1V
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