Question:
Butan-2-ol is a:
Butan-2-ol is a:
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Alcohol classification depends on the carbon attached to the –OH group: 1° (one C), 2° (two C), 3° (three C).
Updated On: Oct 14, 2025
- Primary alcohol
- Secondary alcohol
- Tertiary alcohol
- Dihydric alcohol
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The Correct Option is B
Solution and Explanation
Step 1: Structure.
Butan-2-ol = CH$_3$–CHOH–CH$_2$–CH$_3$. The –OH group is attached to the second carbon.
Step 2: Classification.
The carbon bearing the –OH group is bonded to two other carbons → it is a secondary alcohol.
Step 3: Conclusion.
Hence, Butan-2-ol is a secondary alcohol.
Butan-2-ol = CH$_3$–CHOH–CH$_2$–CH$_3$. The –OH group is attached to the second carbon.
Step 2: Classification.
The carbon bearing the –OH group is bonded to two other carbons → it is a secondary alcohol.
Step 3: Conclusion.
Hence, Butan-2-ol is a secondary alcohol.
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