Waec Model Questions Vol1 2025 Chemistry Question 3

Practice objective / multiple choice question 3 from the 2025 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2025 • CHEMISTRY • objective

The standard reduction potentials are: Cu²⁺ + e⁻ → Cu⁺ E° = +0.153 V and Cu⁺ + e⁻ → Cu(s) E° = +0.521 V. Using these data, calculate the equilibrium constant K at 25 °C for the disproportionation reaction 2 Cu⁺ (aq) ⇌ Cu²⁺ (aq) + Cu(s).

Answer Options

A. 1.2×10^11
B. 5.0×10^10
Correct Answer C. 2.5×10^11
D. 3.8×10^12
Correct Answer
C
Correct Option:
2.5×10^11

About This Question

This is Waec Model Questions Vol1 2025 Chemistry Question 3. It is a objective / multiple choice question from the 2025 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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