Home Chemistry D and F - Block Elements General Potassium magnate (K 2 MnO 4 ) is formed when
Chemistry D and F - Block Elements General Single Correct MCQ
Published on: August 12, 2026

Potassium magnate (K 2 MnO 4 ) is formed when

A
Cl 2 is passed into an aqueous solution of KMnO 4
B
MnO 2 is fused with KOH
C
Formaldehyde reacts with KMnO 4 in the presence of strong alkali
D
KMnO 4 reacts with conc. H 2 SO 4

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The correct answer is:
C

MnO 4 – is reduced to MnO 4 2– by HCHO in the presence of strong alkali.

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