5.10 Quiz: Oxidation-Reduction Reactions
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What is the oxidation number of chromium in K 2Cr 2O 7?
+6
In the following equation, which element has been oxidized?
AI
In the following equation, which element has been reduced?
Fe
Which of the following is the best definition of reduction?
gain of electrons by an atom
Which of the following is the best definition of oxidation?
loss of electrons by an atom
