What is the IUPAC name for the compound with the formula C4H8 that has a double

What is the IUPAC name for the compound with the formula C4H8 that has a double bond and a methyl group on the second carbon?

What is the IUPAC name for the compound with the formula C4H8 that has a double bond and a methyl group on the second carbon?

Step 1: Identify the number of carbon atoms in the compound. The formula C4H8 indicates there are 4 carbon atoms.
Step 2: Determine the type of compound. Since there is a double bond, this compound is an alkene.
Step 3: Count the longest continuous chain of carbon atoms. The longest chain has 4 carbon atoms, which is called butane.
Step 4: Identify the position of the double bond. The double bond is between the first and second carbon, so we use 'but-1-ene' to indicate this.
Step 5: Identify any substituents (branches) on the main chain. There is a methyl group (–CH3) on the second carbon.
Step 6: Combine the information. The methyl group is on the second carbon, so we name it '2-methyl'.
Step 7: Put it all together. The full IUPAC name is '2-methylbut-1-ene'.

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