Which among the following is strongest acid?

H (C l O) O_{2}

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H (C l O) O_{3}

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H (C l O) O

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H (C l O)

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Solution

The correct option is C $H (C l O) O_{3}$
For oxoacids of the same element, the acidic strength increases with increase in the oxidation number of that element.
$+ 1 H C l O < + 3 H C l O_{2} < + 5 H C l O_{3} < + 7 H C l O_{4}$
Negative charge in conjugate base is stabilised by more number of chlorine atoms, so more stable conjugate base , stronger is the acid.

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Similar questions

Arrange the following compounds according to the increasing order of oxidation state of chlorine.

$H C l O_{4}, H C l O_{3}, H C l O_{2}, H C l O$

H C l O_{4}

H C l O

H C l O_{4}

H C l O

H_{3} P O_{3}

H C l O

{H C l O}_{4}

{H C l O}_{3}

{H C l O}_{2}

H O C l

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