Intermolecular Bonding: Hydrogen vs. Ion-Dipole Bond

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Discussion Overview

The discussion revolves around the comparison of hydrogen bonds and ion-dipole bonds, specifically exploring which type of bond is stronger under various circumstances. It includes considerations of theoretical and conceptual aspects of intermolecular bonding.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants suggest that the strength of the bond depends on the specific situations being compared and the context in which the bonds are formed.
  • One participant notes that hydrogen bonding generally involves smaller binding energies compared to ion-dipole interactions, but encourages exploration of the concepts.
  • Another participant emphasizes the need for a controlled comparison where all other factors are held constant to accurately assess the strength of the bonds.
  • There is a mention of the possibility that some compounds may preferentially exhibit one type of bonding over the other, indicating that the preferred bonding could be considered the stronger one.
  • One participant expresses uncertainty about any established rules of thumb that chemists might use to predict the stronger bond in different scenarios.
  • Another participant reflects on the general tendency of atoms and compounds to minimize instability, suggesting a connection to bonding preferences.

Areas of Agreement / Disagreement

Participants do not reach a consensus on which bond is stronger, and multiple competing views remain regarding the conditions under which each bond may be favored.

Contextual Notes

The discussion highlights the complexity of comparing intermolecular forces, with participants acknowledging the need for specific contexts and conditions to make meaningful comparisons. There are also indications of limitations in knowledge regarding established rules in chemistry.

Knightycloud
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What is the most powerful bond? Hydrogen bond or Ion-dipole bond?
 
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That will depend on the situations you are comparing and why it matters.

Can you come up with a situation where either may happen but everything else is the same so you can compare apples with apples?

I think, generally, hydrogen bonding involves the smaller binding energies, but I'd like to encourage you to explore the concepts and form your own ideas.
 
Simon Bridge said:
Can you come up with a situation where either may happen but everything else is the same so you can compare apples with apples?

So it's with the situation where you have to decide what's stronger relying on other facts. :D Thanks!
 
Sometimes you can compare forces based on the constants ... which is how we can say that the strong nuclear force is, well, strong. The interactions you are interested in are all electromagnetic and it looks like they can be roughly the same order of magnitude ...

Some compounds will prefer one form of bonding over the other right? ... the preferred bonding is the stronger.
If chemists have a rule of thumb to anticipate which, I don't know it.
 
Simon Bridge said:
Some compounds will prefer one form of bonding over the other right? ... the preferred bonding is the stronger.
If chemists have a rule of thumb to anticipate which, I don't know it.

As atoms and compounds are always trying to minimize the instability!

I guess other theories behind that are too much for me. I'm doing ALs. :) So I guess I won't be getting such in my MCQ paper! :D Thanks again!
 

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