Correct statements about K2MnO4 is are
a O.N of oxygen is -2
b.O.N of Mn is +7
c.K2MnO4 may behaves like oxidising agent
d.K2MnO4 may behaves like reducing agent
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Answer:
A. ON of oxygen is -2
B. ON of Mn is +7
D. K₂MnO₄ may behave like a reducing agent
Explanation:
As a general rule of thumb, ON of alkali metals is always + 1 , and except in combination with fluorine , superoxides and peroxides, oxygen always has an ON of -2 in it's compounds.
K₂MnO₄ has Mn in +6 state. It has tendency to get oxidised to KMnO₄ with Mn in +7 oxidation state. Since it itself gets oxidised , it will reduce other compounds and therefore behaves as a REDUCING agent.
Therefore Option A , B , D are correct.
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