Q.
The correct order of increasing acidic strength of oxoacids of group- 15 elements is
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a
H3SbO4,H3PO4,H3AsO4 and HNO3
b
H3SbO4,H3A5O4,H3PO4 and HNO3
c
HNO3,H3SbO4,H3AsO4 and H3PO4
d
H3PO4,H3AsO4,H3SbO4 and HNO3
answer is B.
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Detailed Solution
As we move down the group, the acidic strength of oxyacid decreases.
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