IUPAC name of HO-CH₂-CH₂-OH

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What is the IUPAC name of HO-CH₂-CH₂-OH?

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Ethanol Propan-1,2-diol Ethane-1,2-diol Correct Ethane-1,1-diol

The compound has a 2-carbon chain with -OH groups on both carbons. The base name is ethane, and with two -OH groups, it is ethane-1,2-diol.

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