Question

Fluorine does not exhibit any positive oxidation state why

Answer 1

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.

Answer 2

Answer: Yes it doesn't, but it does form positive oxidation state in one exceptional case, which is while forming oxo-acid!

Explanation: Fluorine doesn't form positive oxidation States for,it is REALLY SMALLER IN SIZE(absence of d-orbitals) , IT IS THE MOST ELECTRONEGATIVE ATOM AND HAS HIGH OXIDIZING POWER!!

But when fluorine is forming an oxo-acid , which is " HOF " , it shows +1 oxidation state! Cause, in order to make the whole compound charge zero! And we know that fluorine is more electronegative than oxygen, but due to the above reason, it shows +1 oxidation state! And flourine forms only one oxo-acid unlike other elements of group 17 , die to the absence of d-orbitals!!