Graduate Pharmacy Aptitude Test (GPAT) 2011 Solved Paper

Question : 120 of 150

Marks: +1, -0

In the electrochemical series, the standard reduction potentials of copper and zinc are +0.337v and −0.763v, respectively.If the half cells of both of these metals are connected externally to each other through an external circuit and a salt bridge, which one of the following processes will take place?

Zinc metal electrode will start dissolving in solution while copper ions will start depositing on the copper electrode.
Copper metal electrode will start dissolving in solution while zinc ions will start depositing on the zinc electrode
Both of the metal electrodes will start dissolving in the solution
Both types of ions will start depositing on their respective electrodes

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