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Magazine Chapter 12: PROBLEM 12.1 (page 457)
Question: Classify each reaction as oxidation, reduction, or neither
a.
b.
c.
d.
Short Answer
Answer
- Reduction
- Oxidation
- Oxidation
- Neither
Step by step solution
Oxidation and Reduction
The addition of oxygen or removal of hydrogen is an oxidation reaction.
The addition of hydrogen or removal of oxygen is a reduction reaction.
In an organic molecule, the addition of a C-O bond or removal of a C-H bond shows oxidation, and the addition of a C-H bond or removal of a C-O bond shows a reduction.
Identification of oxidation and reduction reaction
a.
Reduction reaction
The product molecule has one C-O bond less and one C-H bond more than the reactant molecule.
Therefore, the reaction is reduction.
b.
Oxidation reaction
The product molecule has one C-O bond more than the reactant molecule.
Therefore, the reaction is oxidation.
c.
Oxidation reaction
The product molecule has one C-O bond more and one C-H bond less than the reactant molecule.
Therefore, the reaction is oxidation.
d.
Addition reaction
In the product molecule, one C-H and one C-Cl bond are added. Therefore, the reaction is neither oxidation nor reduction.
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