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SINGH SINGH Grade:
        

DEAR SIR,


why is the basicity of  H3PO4 is 1????? according to the H+ ions it shoould have been 3 !!!!!!!

6 years ago

Answers : (3)

AKASH GOYAL AskiitiansExpert-IITD
419 Points
										

Dear Singh


Basicity of H3PO4 is 3 while that of H3PO2 is 1 because in H3POone H be released due to the presence of one O-H bond where as  H3PO4 will release 3H due to the presence of 3 O-H bonds.


All the best.


AKASH GOYAL


AskiitiansExpert-IITD


 


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6 years ago
VIBHOR GAUR
33 Points
										


 basicity is not the total no. of hydrogens present in an acid.


it is the no of hydronium ions that an acid is capable of releasing easily into a solution. H3PO4 is a weak acid and dissociates into H2PO4 (-) + H(+). further dissociation doesnt take place.


hence H3PO4 is a monobasic acid in general.


6 years ago
VIBHOR GAUR
33 Points
										

Basicity of H3PO4 is 3.. As all the three h+ ions r available for donation. But basicity of H3PO3 Is 2 nd basicity of H3PO2 IS 1.. Only those H+ ions r available for donation which r attached to electronegative atom.. See their structure then u can easily understand..

6 years ago
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