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Questions 43 and 44 should be answered with reference to the voltaic cell shown and these half-reactElectrochemistry Chemistry Question

Question

Questions 43 and 44 should be answered with reference to the voltaic cell shown and these half-reactions.

Rh3+(aq) + 3e– → Rh(s) Eo = 0.80 V
Cu+(aq) + e– → Cu(s) Eo = 0.52 V
What is the direction of electron flow in the external circuit if the concentrations of Cu+ and Rh3+ are each 1 M?

A.

from the Rh anode to the Cu cathode

B.

from the Rh cathode to the Cu anode

C.

from the Cu anode to the Rh cathode

✓ Correct
D.

from the Cu cathode to the Rh anode

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