Questions: Multiple Choice Question
Which one of the following options does NOT represent a conformer of propane, looking down the C2-C3 bond?
Option A
Option B
Option C
Option D
Transcript text: Multiple Choice Question
Which one of the following options does NOT represent a conformer of propane, looking down the C2-C3 bond?
Option A
Option B
Option C
Option D
Solution
Solution Steps
Step 1: Identify the conformers of propane
Propane (C3H8) has three carbon atoms. When looking down the C2-C3 bond, the possible conformers are staggered and eclipsed forms. In these conformers, the relative positions of the hydrogen atoms and the CH3 group on the C1 and C3 carbons are considered.
Step 2: Analyze each option
Option A: Shows a staggered conformation with the CH3 group and hydrogen atoms positioned alternately.
Option B: Shows an eclipsed conformation with the CH3 group and hydrogen atoms aligned.
Option C: Shows a staggered conformation with the CH3 group and hydrogen atoms positioned alternately.
Option D: Shows an eclipsed conformation with the CH3 group and hydrogen atoms aligned.
Step 3: Determine the incorrect conformer
All the options except one should represent either a staggered or eclipsed conformer of propane. The incorrect conformer will not fit the typical staggered or eclipsed pattern.
Final Answer
Option B does NOT represent a conformer of propane, looking down the C2-C3 bond.