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What is the IUPAC name for the compound with the formula CH3-CH2-CH(Cl)-CH3?

Practice Questions

Q1
What is the IUPAC name for the compound with the formula CH3-CH2-CH(Cl)-CH3?
  1. 1-chlorobutane
  2. 2-chlorobutane
  3. 3-chlorobutane
  4. butyl chloride

Questions & Step-by-Step Solutions

What is the IUPAC name for the compound with the formula CH3-CH2-CH(Cl)-CH3?
  • Step 1: Identify the longest carbon chain in the compound. The formula CH3-CH2-CH(Cl)-CH3 has four carbon atoms in a row.
  • Step 2: Count the number of carbon atoms in the chain. There are 4 carbon atoms, which means the base name is butane.
  • Step 3: Look for any substituents (groups attached to the main chain). There is a chlorine (Cl) attached to the second carbon.
  • Step 4: Number the carbon atoms in the chain starting from the end closest to the substituent. The carbon with the chlorine is the second carbon.
  • Step 5: Combine the substituent name and the base name. The chlorine is on the second carbon, so we write it as 2-chlorobutane.
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