Question

Fluorine does not exhibit any positive oxidation state?

Answer 1

Because fluorine is the most electronegative element.

Answer 2

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Fluorine is relatively smaller in size and is the element with high electro-negative property in periodic table.

It also has very high positive ionization enthalpy.

For fluorine to exhibit any positive oxidation state it has to be bonded to a negative element even higher than it which is not possible, thus fluorine does not exhibit any positive oxidation state.

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