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The reactants along with the oxidation states are:
Zn = 0
CuSO4: Cu = +2, S = +6, O = -2
The products along with the oxidation states are:
Cu = 0
ZnSO4: Zn = +2, S= +6, O=-2
Zn went from 0 to +2 i.e. it lost electrons so it was Oxidized
Cu went from +2 to 0 i.e. it gained electrons so it was Reduced.
Solution
The reactants along with the oxidation states are:
Zn = 0
CuSO4: Cu = +2, S = +6, O = -2
The products along with the oxidation states are:
Cu = 0
ZnSO4: Zn = +2, S= +6, O=-2
Zn went from 0 to +2 i.e. it lost electrons so it was Oxidized
Cu went from +2 to 0 i.e. it gained electrons so it was Reduced.

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  • 1. The reactants along with the oxidation states are: Zn = 0 CuSO4: Cu = +2, S = +6, O = -2 The products along with the oxidation states are: Cu = 0 ZnSO4: Zn = +2, S= +6, O=-2 Zn went from 0 to +2 i.e. it lost electrons so it was Oxidized Cu went from +2 to 0 i.e. it gained electrons so it was Reduced. Solution The reactants along with the oxidation states are: Zn = 0 CuSO4: Cu = +2, S = +6, O = -2 The products along with the oxidation states are: Cu = 0 ZnSO4: Zn = +2, S= +6, O=-2 Zn went from 0 to +2 i.e. it lost electrons so it was Oxidized Cu went from +2 to 0 i.e. it gained electrons so it was Reduced.