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JEE Main20209 Jan 2020Morning ShiftChemistryRedox ReactionsActual

The compound that cannot act both as oxidizing and reducing agent is

Options

  1. AH 3 P O 4
  2. BH NO 2
  3. CH 2 S O 3
  4. DH 2 O 2

Correct answer

A. H 3 P O 4

Step-by-step solution

In HNO 2 , Nitrogen has oxidation state + 3 , nitrogen has maximum oxidation state + 5 and minimum - 3 , hence nitrous acid can act both as oxidizing and reducing agent. Sulphur has maximum oxidation state + 6 and minimum is - 2 , in H 2 SO 3 sulphur has oxidation state + 4 , hence it can act as both oxidizing and reducing agent. For oxygen maximum oxidation state is + 2 and minimum is - 2 , in H 2 O 2 Oxygen has oxidation state - 1 , hence it can act bot as oxidizing and reducing agent. As in H 3 PO 4 , Phosphorou

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