Question of the day

What is the correct order of reactivity series of the halogen?

As we know size of F < Cl < Br < I increases down the group in periodic table. Due to the increase in the radius and the extra shielding in the atom, which means that an electron is more easily attracted into the outer shell of a larger atom leads to than the smaller atom. So, reactivity is more of smaller size atoms.

F > Cl > Br > I I > Cl > Br > F F > Br > Cl > I I > Br > Cl > F F > Cl > I > Br