A fractionating column separates the hydrocarbon fractions in petroleum using fractional distillation. Which row gives the properties of the fractions that condense at the top of the fractionating column?
- Asize of molecule: large; boiling point: high
- Bsize of molecule: large; boiling point: low
- Csize of molecule: small; boiling point: high
- Dsize of molecule: small; boiling point: low