Igcse Model Questions Vol1 2020 Chemistry Question 25
Practice objective / multiple choice question 25 from the 2020 Igcse Model Questions Vol1 Chemistry examination.
Solid chlorine gas is introduced into a solution containing \(0.10\ \text{M}\) bromide ions. The possible redox reaction is \(\mathrm{Cl_2 + 2\,Br^- \rightarrow 2\,Cl^- + Br_2}\). Using the standard reduction potentials \(\mathrm{Cl_2 + 2e^- \rightarrow 2Cl^-}\) \(E^\circ = +1.36\ \text{V}\) and \(\mathrm{Br_2 + 2e^- \rightarrow 2Br^-}\) \(E^\circ = +1.07\ \text{V}\), (a) calculate the standard cell potential for the reaction, (b) state whether bromine gas will be produced spontaneously, and (c) calculate the equilibrium constant \(K\) at \(25\ ^\circ\text{C}\).
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This is Igcse Model Questions Vol1 2020 Chemistry Question 25. It is one of the objective questions from the 2020 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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