In which cases, the order of acidic strength is not correct ?
In which cases, the order of acidic strength is not correct ?
A. `HI gt HBr gt HCl `
B. `HIO_(4) gt HBrO_(4) gt HClO_(4)`
C. `HClO_(4) gt HClO_(3) gt HClO_(2)`
D. `HF gt H_(2)O gt NH_(3)`
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Correct Answer - B
The acidic strength of oxo-acids decreases downwards in a group .
The correct order of acidic strength of oxo-acids of halogens is `HClO_(4) gt HBrO_(4) gt HIO_(4)`
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