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Question
Identify the following reactions as oxidation or reduction
- Na → Na+ + e
- Fe3+ + 2 e- → Fe+
Solution
a. It is an Oxidation reaction.
Oxidation: A chemical reaction which involves addition of oxygen or removal of hydrogen or loss of electrons is called oxidation.
b. It is a Reduction reaction.
Reduction: A chemical reaction which involves addition of hydrogen or removal of oxygen or gain of electrons is called reduction.
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