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JEE Main2013ChemistryClassification of Elements and Periodicity in PropertiesActual

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

Options

  1. AI ⁻
  2. BS ( s )
  3. CNO ₃⁻( aq )
  4. DCr ₂ O ₇²⁻

Correct answer

A. 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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