Question on: JAMB Chemistry - 2014
Zn (s) + CuSO 4(aq) → ZnSO 4(aq) + Cu (s)
In the reaction above, the oxidation number of the reducing agent changes from
A
0 to + 4
B
0 to + 2
C
+ 1 to + 2
D
+ 1 to + 3
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Correct Option: B
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