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H3PO4 ,H3PO3, H3PO2

H3PO4 ,H3PO3, H3PO2

Grade:12th Pass

3 Answers

rishabh
27 Points
9 years ago

3,2,1 respectively check out the structure U will find that those having no. Of OH group will contribute to acidity

 

 

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Vikash Kumar
36 Points
9 years ago

H3PO2 > H3PO3 > H3PO4 it is an exception to the general rule that higher oxidation state compound will be more acidic like HCLO4, HIO4 and others. you can see the PKa values and moreover do not confuse decide acidity based on the release of 1st Hydrogen only.

vikash kumar

Btech. IIT Delhi

Kaushik
28 Points
9 years ago

H3PO4>H3PO3>H3PO2

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