Problem: Rank these compounds by boiling point. pentane     propane     hexanepentane: H3C—CH2—CH2—CH2—CH3 propane: H3C—CH2—CH3 hexane: H3C—CH2—CH2—CH2—CH2—CH3  

FREE Expert Solution

We are being asked to rank the given compounds in order of increasing boiling point.

Boiling Point

▪ the temperature at which a liquid change into vapor
influenced by intermolecular forces between molecules


Intermolecular Forces (IMF) are the attractive forces between 2 molecules.

Ion-dipole

strongest IMF
▪ deals with the attraction between an ion and a polar compound.

 Hydrogen Bonding

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Problem Details

Rank these compounds by boiling point. 

pentane     propane     hexane


pentane: H3C—CH2—CH2—CH2—CH3 

propane: H3C—CH2—CH3 

hexane: H3C—CH2—CH2—CH2—CH2—CH3  

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intermolecular Forces and Physical Properties concept. If you need more Intermolecular Forces and Physical Properties practice, you can also practice Intermolecular Forces and Physical Properties practice problems.