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What is the common name of Butan-2-ol?

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in Chemistry – Class 12 by (188k points)
What is the common name of Butan-2-ol?

(a) n-Butyl alcohol

(b) sec-Butyl alcohol

(c) Isobutyl alcohol

(d) tert-Butyl alcohol

I had been asked this question at a job interview.

Question is taken from Alcohols, Phenols and Ethers Nomenclature in section Alcohols, Phenols and Ethers of Chemistry – Class 12

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Correct answer is (b) sec-Butyl alcohol

To explain I would say: Butan-2-ol has a parent chain of 4 carbon atoms and the OH group at the second carbon. Such configurations have the prefix sec- in the common name.

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