Ques 3 of http://targetiit.com/iit-jee-forum/posts/ino-is-eating-my-head-now-12767.html
but still unanswered [2]
There is very little difference in the acid strength of H3PO2,H3PO3,H3PO4 because
a)P is not a highly electronegative element
b)The hydrogen atoms are not directly bonded to P atom
c)Phosphorous exists in different oxidation states
Ques 3 of http://targetiit.com/iit-jee-forum/posts/ino-is-eating-my-head-now-12767.html
but still unanswered [2]