Which of the following orders regarding the acid character of hydrogen halides in the aqueous medium is correct?

HCl > HBr < HI

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HCl < HBr > HI

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HCl > HBr > HI

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HCl < HBr < HI

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Solution

The correct option is C HCl < HBr < HI
Acidic character of hydrogen halides increases down the group because of the decrease in the electronegativity.
Therefore HI > HBr > HCl

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