Oxidation And Reduction Reactions
Which of the following equations is correctly labeled as either oxidation or reduction?
A
NaCl + AgNO3 ---> AgCl + NaNO3
Reduction
B
NH3 + HCl ---> NH4 + + Cl2-
Oxidation
C
H2 S ---> S + 2e- + 2H+
Oxidation
D
Mn2+ ---> MnO4 -
Reduction
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