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JEE Main2015Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which of the following compounds has a P - P Bond?

Options

  1. AH P O 3 3
  2. BH 4 P 2 O 6
  3. CH 4 P 2 O 7
  4. DH 4 P 2 O 5

Correct answer

B. H 4 P 2 O 6

Step-by-step solution

Hypo phosphoric acid ( H 4 P 2 O 6 ) with P in ( + I V ) oxidation state and one O atom less than pyro phosphoric acid. H 4 P 2 O 6 H 4 P 2 O 7 Pyrophosphorous acid H 4 P 2 O 5 H 3 PO 3 3 Metaphosphoric acid

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