Polar and non-polar compounds and their solubility

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SUMMARY

Naphthalene, a non-polar compound, exhibits solubility in liquid ammonia, a polar solvent, contrary to typical solubility rules. This phenomenon is attributed to specific interactions between the molecules, which can include hydrogen bonding and dispersion forces. Research indicates that the solubility of naphthalene in liquid ammonia is significant enough to warrant attention, especially in contexts such as gas systems where naphthalene carry-over is a concern.

PREREQUISITES
  • Understanding of solubility principles in chemistry
  • Knowledge of polar and non-polar molecular interactions
  • Familiarity with liquid ammonia properties
  • Basic concepts of gas systems and their components
NEXT STEPS
  • Investigate the mechanisms of solubility for non-polar compounds in polar solvents
  • Explore the role of hydrogen bonding in solubility phenomena
  • Research the impact of naphthalene carry-over in gas systems
  • Examine the properties and applications of liquid ammonia in chemical processes
USEFUL FOR

Chemists, chemical engineers, and researchers involved in solvent interactions and gas system design will benefit from this discussion.

Rogue
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Hydrocarbon Solubility in Polar solutions
Hi
Please can anyone explain why Naphthalene is soluble in liquid Ammonia when Naphthalene is Non-polar and Ammonia is Polar?
 
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Good question. I would expect the solubility to be very low. Where does your question come from? Is this related to some chemical reaction or rather spectroscopy?
 
DrDu said:
Good question. I would expect the solubility to be very low. Where does your question come from? Is this related to some chemical reaction or rather spectroscopy?

Hi DrDu, thanks for your response.
The question comes from research into modes of Naphthalene carry-over in gas systems.
I was surprised when I was faced with articles stating Naphthalene to be soluble in Liquid Ammonia.
 

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