A-LevelChemistryElectrochemistryOct/Nov 2009Paper 1 Q61 Mark
Which conversion involves a reduction of chromium?
ACrO4^2- → CrO3
BCrO4^2- → Cr2O7^2-
CCrO2Cl2 → CrO4^2-
DCrO2Cl2 → Cr2O3
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The correct answer is D. This question tests the candidate's understanding of electrochemistry within the Chemistrysyllabus. The examiner's mark scheme requires...
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