7)Fe³⁺ + e⁻ -----> Fe²⁺ is an example of: *
Oxidation
Reduction
Both
None
Answers
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25
Answer:
Reduction ........yes .......
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2
Determine the Oxidation States of each element in the following reactions:
Fe(s)+O2(g)→Fe2O3(g)
Fe2+
Ag(s)+H2S→Ag2S(g)+H2(g)
Solutions
Fe and O2 are free elements; therefore, they each have an oxidation state of 0 according to Rule #1. The product has a total oxidation state equal to 0, and following Rule #6, O has an oxidation state of -2, which means Fe has an oxidation state of +3.
The oxidation state of Fe corresponds to its charge; therefore, the oxidation state is +2.
Ag has an oxidation state of 0, H has an oxidation state of +1 according to Rule #5, S has an oxidation state of -2 according to Rule #7, and hence Ag in Ag2S has an oxidation state of +1.
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