Fluorine is more electonegative so F- is more stable among the above acids, more electronegative elements carry negative charge easily and becomes more stable than lesser electonegative atom.
CH3COOH conjugate base is also stable than HClO because of delocalization of electrons on two oxygen atom
HClO conjugate base is strongest among the above acids because HClO is hard to give H+ ions compare to HF and CH3COOH.
See the hand written answer below carefully.
hope it helps you
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