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JEE Main202228 Jun 2022Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which of the following oxoacids of sulphur contains "S" in two different oxidation states?

Options

  1. AH 2 S 2 O 3
  2. BH 2 S 2 O 6
  3. CH 2 S 2 O 7
  4. DH 2 S 2 O 8

Correct answer

A. H 2 S 2 O 3

Step-by-step solution

In this molecule both sulphur has different oxidation number one has -2 oxidation number and other has +6 oxidation number. Average oxidation number of sulphur will be +2.

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