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Chemistry Electrochemistry General Single Correct MCQ

Published on: August 14, 2026

In the galvanic cell Cu | Cu 2+ || Ag + | Ag, the electrons flow from Cu-electrode to Ag-electrode. Answer the following questions regarding this cell :

Which is the anode ?

Which is the cathode ?

What happens at anode-reduction or oxidation ?

What happens at cathode-oxidation or reduction ? (e) Which electrode loses mass ? (f) Which electrode gains mass ? (g) Write the electrode reactions. (h) Write the cell reaction (i) Which metal has greater tendency to loss electron-Cu or Ag ? (j) Which is the more reactive metal-Cu or Ag ? (k) What is the function of salt bridge represented by the symbol || ?

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Cu Ag

oxidation reduction

(e) Cu (f) Ag

(g) anode-Cu ⎯→ Cu 2+ + 2e – ; cathode-Ag + + e – ⎯→ Ag

(h) Cu + 2Ag + ⎯→ Cu 2+ + 2Ag (i) Cu

(j) Cu

(k) to complete circuit and maintain electrical neutrality in solution

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