What is the change in the oxidation number of phosphorus in the the reaction represented by the following equation? 4P (s) + 5O(2)(g) → 2P2O5(g)
-
A.
0 to + 2 -
B.
0 to 5 -
C.
+4 to + 2 -
D.
+4 to +5 -
E.
+4 to +7
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