Chemistry > 2002 > 46
JAMB UTME
Cu2S(g) + O2(g)→ 2Cu(s) + SO2(g)
What is the change in the oxidation number of copper in the reaction above?
What is the change in the oxidation number of copper in the reaction above?
A.
0 to +1
B.
0 to +2
C.
+2 to +1
D.
+1 to 0
Answer: D
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