Which of the following is the correct stereochemical descriptor for 2-butene wit

Practice Questions

Q1
Which of the following is the correct stereochemical descriptor for 2-butene with the double bond in the trans configuration?
  1. cis-2-butene
  2. trans-2-butene
  3. 1-butene
  4. butyne

Questions & Step-by-Step Solutions

Which of the following is the correct stereochemical descriptor for 2-butene with the double bond in the trans configuration?
  • Step 1: Understand that 2-butene is a molecule with four carbon atoms and a double bond between the second and third carbon atoms.
  • Step 2: Recognize that the double bond can have different configurations, specifically 'cis' (same side) and 'trans' (opposite sides).
  • Step 3: Identify that in trans-2-butene, the two larger groups attached to the double bond are on opposite sides.
  • Step 4: Conclude that the correct stereochemical descriptor for 2-butene with the double bond in the trans configuration is trans-2-butene.
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