February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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16Oxidation Reduction Redox EquationsMedium1 mark

The equation represents the reaction of iron(II) sulfate with acidified aqueous potassium manganate(VII).

Mn O_{4}^{-} + 8 H^{+} + 5 F e^{2 +} \to M n^{2 +} + 4 H_{2} O + 5 F e^{3 +}

Which ion is reduced and what is the reducing agent?

	ion reduced	reducing agent
A	Fe $^{2 +}$	Fe $^{2 +}$
B	Fe $^{2 +}$	MnO $_{4}^{-}$
C	MnO $_{4}^{-}$	Fe $^{2 +}$
D	MnO $_{4}^{-}$	MnO $_{4}^{-}$