Question
Which of the following cannot as an oxidising agent?
Options :
MnO4-
SO42-
N3-
BrO3-
Answer :
N3-
Solution :
N3− ⇒ Because, it cannot further reduce itself to oxidise other.
N3− ⇒ –3 ⇒ lowest oxidation state
Others ⇒ Mn+7, S6+, Br+5
⇒ can be self reduced and oxidise others.
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