Post Utme Unilag 2019 Chemistry Question 8

Practice objective / multiple choice question 8 from the 2019 Post Utme Unilag Chemistry examination.

Post Utme Unilag 2019 Chemistry Objective / Multiple Choice
Question 8 POST_UTME_UNILAG • 2019 • CHEMISTRY • objective

The s\tandard electrode potential of the Zn2+/Zn couple is -0.76 V. Calculate the s\tandard electrode potential of the Cu2+/Cu couple if the s\tandard electrode potential of the Cu2+/Cu couple is -0.34 V.

Answer Options

Correct Answer A. \( E^{circ}_{Cu^{2+}/Cu} = E^{circ}_{Zn^{2+}/Zn} - E^{circ}_{Cu^{2+}/Cu} \)
B. \( E^{circ}_{Cu^{2+}/Cu} = E^{circ}_{Zn^{2+}/Zn} + E^{circ}_{Cu^{2+}/Cu} \)
C. \( E^{circ}_{Cu^{2+}/Cu} = E^{circ}_{Zn^{2+}/Zn} - E^{circ}_{Cu^{2+}/Cu} \times \frac{[Zn^{2+}]}{[Cu^{2+}]} \)
D. \( E^{circ}_{Cu^{2+}/Cu} = E^{circ}_{Zn^{2+}/Zn} + E^{circ}_{Cu^{2+}/Cu} \times \frac{[Zn^{2+}]}{[Cu^{2+}]} \)
Correct Answer
A
Correct Option:
\( E^{circ}_{Cu^{2+}/Cu} = E^{circ}_{Zn^{2+}/Zn} - E^{circ}_{Cu^{2+}/Cu} \)

About This Question

This is Post Utme Unilag 2019 Chemistry Question 8. It is one of the objective questions from the 2019 Post Utme Unilag Chemistry examination.

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