A-LevelChemistryElectrochemistryOct/Nov 2022Paper 1 Q51 Mark
Two moles of VO2+ ions react with one mole of zinc atoms in the presence of dilute acid. The products include Zn2+ ions and an ion, Y. Ion Y contains vanadium. Only zinc and vanadium change oxidation state in the reaction. What is ion Y?
AVO3
BVO+
CVO2+
DVO22+
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The correct answer is C. This question tests the candidate's understanding of electrochemistry within the Chemistrysyllabus. The examiner's mark scheme requires...
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