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What is the IUPAC name of Isopropyl alcohol?

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What is the IUPAC name of Isopropyl alcohol?

(a) Propan-1-ol

(b) Propan-2-ol

(c) 2-Methylpropan-1-ol

(d) 2-Methylpropan-2-ol

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Asked question is from Alcohols, Phenols and Ethers Nomenclature in portion Alcohols, Phenols and Ethers of Chemistry – Class 12

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Correct answer is (b) Propan-2-ol

For explanation I would say: Isopropyl alcohol has a parent chain of three carbon atoms with the hydroxyl group at the second carbon, hence propan-2-ol.

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