A) Ferrous sulphate on heating gives both \[S{{O}_{2}}\] and \[S{{O}_{3}}\] gas
B) \[Cr{{O}_{3}}\] forms \[CrO_{4}^{-2}\] with \[NaOH\]
C) \[KMn{{O}_{4}}\] acts as an oxidizing agent in acidic medium only
D) \[M{{n}_{2}}{{O}_{7}}\] is an acidic oxide
Correct Answer: C
Solution :
[c] \[KMn{{O}_{4}}\] acts as oxidizing agent in all three mediums : acidic, basic and neutral
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