Igcse Model Questions Vol1 2023 Chemistry Question 4
Practice objective / multiple choice question 4 from the 2023 Igcse Model Questions Vol1 Chemistry examination.
In acidic solution the following redox reaction occurs: \(\mathrm{MnO_4^- + Fe^{2+} \rightarrow Mn^{2+} + Fe^{3+}}\) A solution containing 0.050 mol of \(\mathrm{KMnO_4}\) is electrolysed with a constant current of 0.75 A for 30 minutes. Assume the current is 100 % efficient and excess \(\mathrm{Fe^{2+}}\) is present. Calculate the mass of \(\mathrm{Mn^{2+}}\) formed (in grams) to three significant figures.
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About This Question
This is Igcse Model Questions Vol1 2023 Chemistry Question 4. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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