A-LevelChemistryChemical bonding9701/12 · May/June 2012 · Q101 Mark
Which molecule has the largest overall dipole?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A[Diagram of propyne (H-C≡C-CH3)]
B[Diagram of propanone (CH3-C(=O)-CH3)]
C[Diagram of 1,2-dichloro-1-propene (Cl-C=C(CH3)-Cl with H also on first C)]
D[Diagram of 2,3-dichloro-2-butene (H3C-C(Cl)=C(Cl)-CH3)]
✓ Correct answer
B: [Diagram of propanone (CH3-C(=O)-CH3)]
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