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Thursday, 23 April 2026
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A feasible cell was constructed by joining the two half cells below. Cu2+(aq) + 2e- ...

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?
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  • A - 1.1V
  • B - 0.42V
  • C +0.42V
  • D +1.1V
Correct Answer: Option D
Explanation:
e.m.f. = + 0.34 -(-0.76) = 0.34 + 0.76 = +1.1V

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