Gce Model Questions Vol1 2021 Chemistry Question 10

Practice essay / theory question 10 from the 2021 Gce Model Questions Vol1 Chemistry examination. This question covers Electrochemistry .

Gce Model Questions Vol1 2021 Chemistry Essay / Theory

Topic: Electrochemistry

Question 10 GCE_MODEL_QUESTIONS_VOL1 • 2021 • CHEMISTRY • essay

A galvanic cell is assembled with a zinc electrode immersed in 0.010 M ZnSO₄ solution and a copper electrode immersed in a solution of Cu²⁺ of unknown concentration. The cell operates at 25 °C and the measured electromotive force (EMF) is 1.10 V.

Question Parts

( a )

Write the overall cell reaction, indicating the anode and cathode half‑reactions.

( b )

Using the Nernst equation, calculate the concentration of Cu²⁺ in the copper half‑cell.

( c )

If the cell were operated at 35 °C, describe qualitatively how the EMF would be affected, assuming the ion concentrations remain the same.

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About This Question

This is Gce Model Questions Vol1 2021 Chemistry Question 10. It is one of the essay questions from the 2021 Gce Model Questions Vol1 Chemistry examination.

The question covers Electrochemistry .

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