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Q:

Which half reaction correctly represents reduction?

A) Fe2+ + e- ---> Fe3+ B) Au3+ + 3e– ---> Au
C) Ag ---> Ag+ + e- D) All of the above

Answer:   B) Au3+ + 3e– ---> Au



Explanation:

A half reaction is either the oxidation or reduction reaction component of a redox reaction. A half reaction is obtained by considering the change in oxidation states of individual substances involved in the redox reaction.

Subject: Chemistry
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