Neco Model Questions Vol1 2024 Chemistry Question 37

Practice objective / multiple choice question 37 from the 2024 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2024 Chemistry Objective / Multiple Choice Medium Difficulty
Question 37 NECO_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • objective

In a galvanic cell at 25 °C the half‑cells are Zn|Zn^{2+} (unknown concentration) and Cu^{2+}|Cu (0.010 M). The measured emf of the cell is 1.05 V. Given \(E^\circ_{\mathrm{Zn^{2+}/Zn}} = -0.76\) V and \(E^\circ_{\mathrm{Cu^{2+}/Cu}} = +0.34\) V, calculate the concentration of Zn^{2+} in the cell.

Answer Options

A. 0.68 M
Correct Answer B. 0.49 M
C. 0.31 M
D. 1.15 M
Correct Answer
B
Correct Option:
0.49 M

About This Question

This is Neco Model Questions Vol1 2024 Chemistry Question 37. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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