Igcse Model Questions Vol1 2019 Chemistry Question 32

Practice objective / multiple choice question 32 from the 2019 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2019 Chemistry Objective / Multiple Choice Medium Difficulty

Question 32 IGCSE_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • objective

A galvanic cell is constructed as Zn(s) | Zn^{2+} (0.010 mol L^{-1}) || Cu^{2+} (unknown) | Cu(s) at 25\,\degree C. The measured cell emf is 1.05 V. Given standard reduction potentials E^{\circ}(Zn^{2+}/Zn) = -0.76 V and E^{\circ}(Cu^{2+}/Cu) = +0.34 V, calculate the concentration of Cu^{2+} in the cell solution.

Answer Options

A. 2.0\times10^{-3} mol L^{-1}

B. 1.0\times10^{-4} mol L^{-1}

Correct Answer C. 2.0\times10^{-4} mol L^{-1}

D. 5.0\times10^{-4} mol L^{-1}

Correct Answer

Correct Option:

2.0\times10^{-4} mol L^{-1}

About This Question

This is Igcse Model Questions Vol1 2019 Chemistry Question 32. It is one of the objective questions from the 2019 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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