Cu2S(s) + O2(g) = 2CU(s) + SO22(g)
-
A.
+1 to 0 -
B.
0 to +2 -
C.
+2 to +1 -
D.
0 to +1
Correct Answer: Option A
Explanation
The oxidation number is from h to O as a result of release of sulphur. Option B, C, D are not the actual oxidation number for copper
There is an explanation video available below.