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Chemistry
There is very little difference in acid strength in the series H3PO4,H3PO3 and H2PO2 because
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Q. There is very little difference in acid strength in the series $H_3PO_4,H_3PO_3$ and $H_2PO_2$ because
KCET
KCET 1990
Surface Chemistry
A
Phosphorus in these acids exists in different oxidation states
34%
B
Number of unprotonated oxygen responsible for increase of acidity due to inductive effect remains the same
41%
C
Phosphorus is not a highly electronegative element
14%
D
Phosphorus oxides are less basic.
11%
Solution:
There is little difference in the strength of these acids because phosphorous is not a highly electro-negative element, i.e., its oxides are less basic.