In the neutral or faintly alkaline medium, KMnO₄ oxidises iodide into iodate. The change in oxidation state of manganese in…

17 2022 The d- and f-Block ElementsPotassium Permanganate – Oxidising Action Medium
In the neutral or faintly alkaline medium, $KMnO_4$ oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from
A +6 to +5
B +7 to +4
C +6 to +4
D +7 to +3

Detailed Solution

In neutral or faintly alkaline medium: $KMnO_4 + I^- \rightarrow MnO_2 + IO_3^-$ Oxidation state of Mn changes from +7 (in $KMnO_4$) to +4 (in $MnO_2$).

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