Redox Reactions And Electrochemistry Ques 705

Question: Which one of the following cannot function as an oxidising agent-

Options:

A) $ {{I}^{-}} $

B) $ S( s ) $

C) $ NO_3^{-}(aq) $

D) $ Cr_2O_7^{2-} $

Show Answer

Answer:

Correct Answer: A

Solution:

[a] If an electronegative element is in its lowest possible oxidation state in a compound or in free state. It can function as a powerful reducing agent, e.g. $ {{I}^{-}} $



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