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REDOX REACTIONS AND ELECTROCHEMISTRY
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Question
Which example shows higher oxidation state due to excess oxidant?
A. Zn reducing MnO₄⁻ to Mn²⁺
B. Mg burning in N₂ forms Mg₃N₂
C. Sulfur forming SO₃ in excess oxygen
D. Fe reacting with steam gives Fe₃O₄
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