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Date November 2010 Marks available 1 Reference code 10N.1.sl.TZ0.23
Level SL Paper 1 Time zone TZ0
Command term Question number 23 Adapted from N/A

Question

Consider the following reaction.

\[{\text{MnO}}_4^ - ({\text{aq)}} + 8{{\text{H}}^ + }{\text{(aq)}} + 5{\text{F}}{{\text{e}}^{2 + }}{\text{(aq)}} \to {\text{M}}{{\text{n}}^{2 + }}{\text{(aq)}} + 5{\text{F}}{{\text{e}}^{3 + }}{\text{(aq)}} + 4{{\text{H}}_{\text{2}}}{\text{O(l)}}\]

Which statement is correct?

A.     \({\text{MnO}}_{\text{4}}^ - \) is the oxidizing agent and it loses electrons.

B.     \({\text{MnO}}_{\text{4}}^ - \) is the reducing agent and it loses electrons.

C.     \({\text{MnO}}_{\text{4}}^ - \) is the oxidizing agent and it gains electrons.

D.     \({\text{MnO}}_{\text{4}}^ - \) is the reducing agent and it gains electrons.

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 9: Redox processes » 9.1 Oxidation and reduction
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