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Question
The following acids have been arranged in the order of decreasing acid strength.
CIOH (I) BrOH (II) IOH (III)
Identify the correct order.
Options
I > II > III
II > I > III
III > II > I
I > III > II
MCQ
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Solution
I > II > III
Explanation:
The acid strength of hypohalous acids decreases as the electronegativity of the halogen decreases. Since chlorine is more electronegative than bromine, and bromine is more electronegative than iodine, the acid strength order is ClOH > BrOH > IOH.
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