question_answer

There is very little difference in acid strength in the series \[{{H}_{3}}P{{O}_{4}},\] \[{{H}_{3}}P{{O}_{3}},\] and \[{{H}_{3}}P{{O}_{2}}\] because [KCET 1990]

A) Phosphorus in these acids exists in different oxidation states

B) The hydrogen in these acids are not all bounded to the phosphorus

C) Phosphorus is not a highly electronegative element

D) Phosphorus oxides are less basic