Waec Model Questions Vol1 2019 Chemistry Question 4

Practice objective / multiple choice question 4 from the 2019 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2019 Chemistry Objective / Multiple Choice Medium Difficulty
Question 4 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • objective

A galvanic cell is constructed with the half‑reactions Zn²⁺ + 2e⁻ → Zn (E° = -0.76 V) and Cu²⁺ + 2e⁻ → Cu (E° = +0.34 V). The cell operates at 25 °C with [Cu²⁺] = 0.010 M and [Zn²⁺] = 0.10 M. Calculate the cell potential (Ecell) under these conditions.

Answer Options

A. 0.58 V
Correct Answer B. 1.07 V
C. 1.23 V
D. 0.95 V
Correct Answer
B
Correct Option:
1.07 V

About This Question

This is Waec Model Questions Vol1 2019 Chemistry Question 4. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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