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What is the IUPAC name of the compound CH3-CH2-CH2-CH=CH2?
What is the IUPAC name of the compound CH3-CH2-CH2-CH=CH2?
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Practice Questions
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Q1
What is the IUPAC name of the compound CH3-CH2-CH2-CH=CH2?
1-pentene
2-pentene
3-pentene
1-butene
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The longest carbon chain contains 5 carbons with a double bond at the first carbon, making it 1-pentene.
Questions & Step-by-step Solutions
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Q
Q: What is the IUPAC name of the compound CH3-CH2-CH2-CH=CH2?
Solution:
The longest carbon chain contains 5 carbons with a double bond at the first carbon, making it 1-pentene.
Steps: 5
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Step 1: Identify the number of carbon atoms in the compound. The structure CH3-CH2-CH2-CH=CH2 has 5 carbon atoms.
Step 2: Determine the longest continuous chain of carbon atoms. In this case, the longest chain is 5 carbons long.
Step 3: Check for any double bonds in the chain. There is a double bond between the first and second carbon atoms.
Step 4: Number the carbon chain starting from the end closest to the double bond. This means the double bond is at carbon 1.
Step 5: Use the IUPAC naming rules. Since there are 5 carbons in the chain and a double bond at the first carbon, the name is 1-pentene.
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