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NEET2019Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

In which of the following, oxidation state of phosphorous is +3 ?

Options

  1. AOrthophosphoric acid
  2. BPyrophosphoric acid
  3. COrthophosphorous acid
  4. DMeta phosphoric acid

Correct answer

C. Orthophosphorous acid

Step-by-step solution

The structure and oxidation state of oxoacids of phosphorus are as follows Thus, oxidation state of orthophosphorous acid is +3 .

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