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Question
 Choose correct order of oxidizing power:-
Options:
A .  VO+2 < Cr2O2−7 < MnO−4
B .  Cr2O2−7 
C .  MnO−4 
D .  VO+2 < MnO−4 
Answer: Option A
:
A
This is due to the increasing stability of the lower species to which they are reduced.
MnO4(Mn7+) is reduced to (Mn2+) which is having half-filled stable d5 configuration.

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