Questions: What is the IUPAC name of the molecule shown?

What is the IUPAC name of the molecule shown?
Transcript text: What is the IUPAC name of the molecule shown?
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Solution

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Solution Steps

Step 1: Identify the Longest Carbon Chain

The longest carbon chain in the molecule contains four carbon atoms.

Step 2: Identify the Functional Group

The molecule contains a triple bond, which is characteristic of an alkyne.

Step 3: Number the Carbon Chain

Number the carbon chain from the end nearest to the triple bond to give the triple bond the lowest possible number. The triple bond starts at carbon 2.

Final Answer

2-Butyne

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