The dark purple colour of KMnO 4 disappears in the titration with oxalic acid in acidic…
Chemistry · JEE Main · NTA Exams — d- and f-Block Elements
The dark purple colour of KMnO4 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)
- 5
- 1
- 7
- 2
Answer
(A) 5
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