d- and f-Block Elements: JEE Main 2022 Chemistry question

JEE Main 2022 · 26 Jul, Morning shift · Q774

JEE Main 202226 Jul, Morning shiftChemistryEasyd- and f-Block Elements158× since 2002

The dark purple colour of

\mathrm{KMnO}_{4}

disappears in the titration with oxalic acid in acidic medium. The overall change in the oxidation number of manganese in the reaction is :

JEE Main 2022 · 26 Jul, Morning shift · Q774

JEE Main 202226 Jul, Morning shiftChemistryEasyd- and f-Block Elements158× since 2002

The dark purple colour of

\mathrm{KMnO}_{4}

disappears in the titration with oxalic acid in acidic medium. The overall change in the oxidation number of manganese in the reaction is :

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