TS EAMCET · Chemistry · Electrochemistry

Silver electrode acts as anode and \(E_{\text {cell }}^{\circ}\) is \(-0.34 \mathrm{~V}\)

A Copper electrode acts as anode and \(E_{\text {cell }}^{\circ}\) is \(+0.46 \mathrm{~V}\)
B Copper electrode acts as anode and \(E_{\text {cell }}^{\circ}\) is \(+0.46 \mathrm{~V}\)
C Silver electrode acts as a cathode and \(E_{\text {cell }}^{\circ}\) is \(-0.34 \mathrm{~V}\).
D Copper electrode acts as cathode and \(E_{\text {cell }}^{\circ}\) is \(+0.46 \mathrm{~V}\)

Verified Solution

Answer & Solution

Correct Answer

(B) Copper electrode acts as anode and \(E_{\text {cell }}^{\circ}\) is \(+0.46 \mathrm{~V}\)

Step-by-step Solution

Detailed explanation

Electrode having higher reduction potential has to be cathode. Hence, silver electrode act as a cathode. Because reduction potential of silver electrode \(\left(E^{\circ}\right)\) is \(+80 \mathrm{~V}\). Which is more than given reduction potential of…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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