Why does Hexane have higher intermolecular force than Propylamine?

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Discussion Overview

The discussion centers on the comparison of intermolecular forces between hexane and propylamine, exploring the role of functional groups and hydrogen bonding capabilities in determining these forces. The scope includes conceptual understanding and homework-related inquiries.

Discussion Character

  • Homework-related
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants question why propylamine, which can form hydrogen bonds, does not exhibit higher intermolecular forces than hexane, which lacks hydrogen bonding capability.
  • Others inquire about the functional groups present in hexane and propylamine and how these influence their intermolecular forces.
  • A participant raises a broader question regarding why other alkanes (heptane, octane, etc.) have higher intermolecular forces than propylamine, suggesting a comparison of multiple molecules.
  • There is a request for clarification on the structural differences between propylamine and butylamine, indicating a need for deeper understanding of molecular structure and its impact on intermolecular forces.

Areas of Agreement / Disagreement

Participants express differing views on the intermolecular forces of hexane versus propylamine, with no consensus reached on the reasons behind the observed differences. The discussion remains unresolved regarding the comparative strengths of these forces.

Contextual Notes

Participants have not fully defined the assumptions regarding the comparison of functional groups or the specific conditions under which intermolecular forces are evaluated. There are also unresolved questions about the structural implications of different amines.

dramadeur
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< Moderator Note -- thread moved to Homework Help forums >[/color]

Shouldn't Propylamine (C3H7NH2) be able to form hydrogen bonds with alike molecules?
Hexane (c6h14) doesn't seem to have hydrogen bonding capability.
 
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This is homework and in the future, should be posted in HW Help. What functional groups are you comparing between the two molecules?
 
Bystander said:
This is homework and in the future, should be posted in HW Help.
No it's not HW. I'm asking to explain the answer. Not to solve it.
Bystander said:
What functional groups are you comparing between the two molecules?
If I say "hexane" I clearly mean the whole molecule.
So, why does hexane have higher intermolecular force than propylamine, if the latter has the hydrogen bonding capability (since its Hydrogen is bonded to Nitrogen).
 
Why do heptane, octane, nonane, decane, undecane, ad nausea have higher intermolecular forces than propylamine. Why does butylamine have higher intermolecular forces than propylamine?
 
How do I know? That's why I'm asking!
 
What is the structure of propylamine, and how does it differ from that of butylamine?
 

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