JEE Main 201325 AprilOnline

Exam: JEE Main
Year: 2013
Date: 25 April
Mode: Online
Subject: Chemistry
Chapter: Classification of Elements and Periodicity in Properties

JEE Main 2013 · 25 April · Online · Chemistry · Classification of Elements and Periodicity in Properties

Which one of the following cannot function as an oxidising agent?

Options

A $\mathrm{I}^{-}$
B $\mathrm{S}(\mathrm{s})$
C $\mathrm{NO}_3^{-}(\mathrm{aq})$
D $\mathrm{Cr}_2 \mathrm{O}_7^{2-}$

Correct answer

A. $\mathrm{I}^{-}$

Step-by-step solution

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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