JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

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Analyzing +4 | -1

Arrange the acids (I)

{H_2}S{O_3}

, (II)

{H_3}P{O_3}

, and (III)

HCl{O_3}

in the decreasing order of acidic nature.

View answer and explanation

Correct option: C

\mathrm{III} > I > II

Option C (III > I > II) is correct because the acidic nature of oxoacids increases with the electronegativity of the central atom.

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