Question: What is the IUPAC name of the compound with the formula C4H6?
Options:
1-butyne
2-butyne
Cyclobutene
Butadiene
Correct Answer: 2-butyne
Solution:
The compound C4H6 is named 2-butyne according to IUPAC nomenclature.
What is the IUPAC name of the compound with the formula C4H6?
Practice Questions
Q1
What is the IUPAC name of the compound with the formula C4H6?
1-butyne
2-butyne
Cyclobutene
Butadiene
Questions & Step-by-Step Solutions
What is the IUPAC name of the compound with the formula C4H6?
Correct Answer: 2-butyne
Step 1: Identify the number of carbon atoms in the compound. C4H6 has 4 carbon atoms.
Step 2: Determine the type of compound. Since C4H6 has a triple bond (due to the number of hydrogens being less than twice the number of carbons plus two), it is an alkyne.
Step 3: Count the total number of hydrogen atoms. For 4 carbon atoms in an alkyne, the formula is CnH2n-2, which gives us C4H6.
Step 4: Name the longest carbon chain. The longest chain with 4 carbons is called butyne.
Step 5: Identify the position of the triple bond. The triple bond starts at the second carbon in the chain, so we name it 2-butyne.
Step 6: Combine the information to get the final IUPAC name: 2-butyne.
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