Neco Model Questions Vol1 2025 Chemistry Question 30

Practice objective / multiple choice question 30 from the 2025 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 30 NECO_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

Given the standard reduction potentials: \(\ce{Cu^{2+} + e^- -> Cu^{+}}\) \(E^\circ = +0.153\) V and \(\ce{Fe^{3+} + e^- -> Fe^{2+}}\) \(E^\circ = +0.771\) V, construct a galvanic cell in which \(\ce{Cu^{+}}\) is oxidised and \(\ce{Fe^{3+}}\) is reduced. Write the overall balanced equation, calculate the standard cell potential \(E^\circ_{\text{cell}}\), and determine the equilibrium constant \(K\) at 298 K.

Answer Options

A. 4.5×10^15
Correct Answer B. 3.2×10^15
C. 1.5×10^15
D. 3.2×10^14
Correct Answer
B
Correct Option:
3.2×10^15

About This Question

This is Neco Model Questions Vol1 2025 Chemistry Question 30. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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