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Why oxyacid of phosphorous deviate from common rule in terms of acidic stength?

Why oxyacid of phosphorous deviate from common rule in terms of acidic stength?


 

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2 Answers

mohit yadav
54 Points
9 years ago

 this because phosphorous has vacant d-orbital as well as of lone pair

FITJEE
43 Points
9 years ago

Oxyacids of phosphorus

Name
Oxidation state of P and Basicity
Structure
 Structure.JPG
Hypophosphorous acid H3PO2
+1
Monobasic
 
 
 
 
Phosphorous s acid
H3PO3
+3
Dibasic
 
 OXYACIDS OF PHOSPHORUS.JPG
 
 
 
Hypophosphoric acid H4P2O6
+4
 Tetrabasic
 
 Hypophosphoric acid.JPG
 
 
Orthophosphoric acid H3PO4
+5
 Tribasic
 
 Orthophosphoric acid.JPG
 
 
 
 
Metaphosphoric acid ( HPO3 )n  
+5
Monobasic
 
 Metaphosphoric acid.JPG
 
 
Pyrophospric acid
(Diphosphoric acid). H4P2O7
+5
 Tetrabasic
 
 Oxyacids of phosphorus-.JPG
 
 

 

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