Year: 2022
Topic: The d-and f-Block Elements
Time :
1.
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
(1). +7 to +4
(2). +6 to +4
(3). +7 to +3
(4). +6 to +5