Calculate value of E ° C e 4 + / C e 3 + . If E ° c e l l for the cell reaction, 2 C e 4 + + C o → 2 C e 3 + + C o 2 + is 1.89 V. If E ° C o / C o 2 + = - 0.28 V

Question

Calculate value of E ° C e 4 + / C e 3 + . If E ° c e l l for the cell reaction, 2 C e 4 + + C o → 2 C e 3 + + C o 2 + is 1.89 V. If E ° C o / C o 2 + = - 0.28 V, – 1.64 V, + 1.64 V, – 2.08 V, + 2.17 V

MARKS App · Accepted Answer

In this cell C o is oxidised and it acts as anode and Ce acts as cathode. E C e l l 0 = E C a t h o d e 0 - E A n o d e 0 = 1.89 = E C e l l 0 - ( - 0.28 ) E C e l l 0 = 1.89 - 0.28 = 1.61 Volts.

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