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Q.
Unlike other halogens, fluorine does not show higher oxidation states, because
Chhattisgarh PMTChhattisgarh PMT 2004
Solution:
Oxidation state of $F$ in all of its compounds is $ -1, $ while other halogen atoms show oxidation states from $ -1 $ to $ +7 $ . This is due to the absence of $d$-orbital in $F$ atom.