The number of P−OH bonds and the oxidation state of phosphorus atom in pyrophosphoric acid (H4P2O7) respectively are :
Option: 1  four and four
Option: 2 five and four
Option: 3  five and five
Option: 4 four and five  
 

Answers (1)

The number of P−OH bonds in pyrophosphoric acid (H4P2O??7) is four.

The oxidation state of the phosphorus atom in H??????4??P2O7

   ⇒  4+2x−14=0

           x = +5

 

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