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fluorine forms only one oxoacid, HOF - CBSE (Science) Class 12 - Chemistry

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Fluorine forms only one oxoacid HOF

Explain why fluorine forms only one oxoacid, HOF.

Solution 1

Fluorine forms only one oxoacid i.e., HOF because of its high electronegativity and small size.

Solution 2

Cl, Br and I form four series of oxo acids of general formula HOX, HOXO, HOXO2, and HOXO3. In these oxo-adds, the oxidation states of halogens are + 1, + 3, + 5, and + 7 respectively. However, due to high electronegativity, small size and absence of d-orbitals, F does not form oxo-acids with + 3, + 5 and + 7, oxidation states. It just forms one oxo-acid (HOF).

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Solution fluorine forms only one oxoacid, HOF Concept: P - Block Group 17 Elements - Oxoacids of Halogens.
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