Question:
Which among the following is a first oxidation product of butan-2-ol?
Which among the following is a first oxidation product of butan-2-ol?
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Primary alcohols form aldehydes, secondary alcohols form ketones, and tertiary alcohols resist oxidation.
Updated On: Feb 11, 2026
- Butanal
- Butanoic acid
- Propanoic acid and \( \mathrm{CO_2} \)
- Butan-2-one
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The Correct Option is D
Solution and Explanation
Step 1: Identifying the nature of butan-2-ol.
Butan-2-ol is a secondary alcohol because the hydroxyl group is attached to a carbon atom bonded to two other carbon atoms.
Step 2: Oxidation behavior of secondary alcohols.
On oxidation, secondary alcohols are converted into ketones. They do not form aldehydes or acids in the first step of oxidation.
Step 3: Applying the concept.
When butan-2-ol is oxidized, it loses hydrogen atoms and forms the corresponding ketone, which is butan-2-one.
Step 4: Conclusion.
Therefore, the first oxidation product of butan-2-ol is butan-2-one.
Butan-2-ol is a secondary alcohol because the hydroxyl group is attached to a carbon atom bonded to two other carbon atoms.
Step 2: Oxidation behavior of secondary alcohols.
On oxidation, secondary alcohols are converted into ketones. They do not form aldehydes or acids in the first step of oxidation.
Step 3: Applying the concept.
When butan-2-ol is oxidized, it loses hydrogen atoms and forms the corresponding ketone, which is butan-2-one.
Step 4: Conclusion.
Therefore, the first oxidation product of butan-2-ol is butan-2-one.
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