Which of the following represents the correct order for acidic strength:
A
HClO4>HIO4>HBrO4
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B
HClO4>HBrO4>HIO4
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C
HClO4<HBrO4>HIO4
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D
None of these
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Solution
The correct option is BHClO4>HBrO4>HIO4 As electronegativity of the halogen decreases, the order of acidic strength also decreases. Thus the acidic strength follows the order: HClO4>HBrO4>HIO4