Question
Chemistry Question on d -and f -Block Elements
An acidified solution of potassium permanganate oxidizes
A
Sulphates
B
Sulphites
C
Nitrates
D
Ferric salts
Answer
Sulphites
Explanation
Solution
An acidified solution of potassium permanganate will oxidise sulphide to sulphate. Oxidation of Fe3+,SO42−orNO3− is not possible.