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NTA Abhyas JEE Main2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

Which of the following statement is correct ?

Options

  1. AH 3 PO 3 is tribasic and reducing
  2. BH 3 PO 3 is tribasic and non- reducing
  3. CH 3 PO 3 is diabasic and non-reducing
  4. DH 3 PO 3 is diabasic and reducing

Correct answer

D. H 3 PO 3 is diabasic and reducing

Step-by-step solution

The structure of H 3 PO 3 is Since it contains two -OH groups, it is diabasic. Also it contains H atom directly attached to P, hence, it is reducing.

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