Question on: WAEC Chemistry - 1992
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
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Correct Option: B
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