Name the following organic compound using IUPAC nomenclature: CH3-CH=CH-CH2-OH

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Step 1: Identify the longest carbon chain containing the functional groups. The molecule has a four-carbon chain that includes both the double bond and the hydroxyl group. This indicates a but- parent chain. Step 2: Identify the functional groups. The molecule contains a hydroxyl group (−OH), which is an alcohol, and a carbon-carbon double bond (C=C), which is an alkene. Step 3: Number the carbon chain. When both an alkene and an alcohol are present, the alcohol functional group has higher priority for numbering the main chain. Therefore, the carbon bearing the hydroxyl group should be assigned the lowest possible number. Numbering from the end closest to the −OH group: CH₃−CH=CH−CH₂−OH; C₄−C₃=C₂−C₁−OH The hydroxyl group is at carbon 1. The double bond is between carbon 2 and carbon 3, so its position is indicated by the lower number, 2. Step 4: Assemble the name. The parent chain is but-. The double bond is at position 2 (−2-ene), and the hydroxyl group is at position 1 (−1-ol). The IUPAC name for the compound is: but-2-en-1-ol

Name the following organic compound using IUPAC nomenclature: CH3−CH=CH−CH2−OH

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Step-by-step solution

Identify the longest carbon chain containing the functional groups.

Identify the functional groups.

Number the carbon chain.

Assemble the name.

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