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Chemistry

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Answer

Pentane-2,3-diol\text{Pentane-2,3-diol}

To name the compound, we follow the IUPAC rules for alcohols:

  1. Identify the longest carbon chain containing the hydroxyl (-OH) groups. The chain is CH3−CH2−CH(OH)−CH(OH)−CH3\text{CH}_3-\text{CH}_2-\text{CH(OH)}-\text{CH(OH)}-\text{CH}_3. Counting the carbons, there are 5 carbons in the main chain. This corresponds to a pentane derivative.

  2. Number the carbon chain from the end that gives the lowest numbers to the hydroxyl groups.

    • If we number from the left: The -OH groups are on carbons 3 and 4.
    • If we number from the right: The -OH groups are on carbons 2 and 3. The lowest numbering is 2,3.
  3. Name the compound. The parent alkane is pentane. Since there are two hydroxyl groups, it's a "diol". The positions are 2 and 3.

Therefore, the name of the compound is pentane-2,3-diol.

The final answer is Pentane-2,3-diol\text{Pentane-2,3-diol}.

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