FeSO4 + Cl2

Fe2+ -------------＞Fe3+ +e- (oxidation)
Cl2 +2e- -------------＞2Cl- (reduction)
Overall:
2Fe2+ +Cl2 ----------＞2Fe3+ +2Cl-

Fe2(SO4)3 : Iron(II) Sulphate
Cl- :Chlorine ion
They will form in the reaction.


So,FeCl2 will not form.

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in the presence of water, iron ii sulphate will be oxidized into
iron iii compound.the chlorine water will become chloride ion.