Few questions on molecular forces

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SUMMARY

The discussion centers on the behavior of non-polar and polar liquids in the presence of charged objects. Non-polar liquids do not exhibit deflection when a charged rod is introduced, while polar liquids, such as water, experience charge separation leading to deflection. The phenomenon is attributed to induced electrical charges in polar liquids, as detailed in the referenced paper by f.c. Furthermore, the discussion addresses the nature of hydrogen bonds, clarifying that while nitrogen and chlorine have similar electronegativity values on the Pauling scale, hydrogen chloride (HCl) does not form hydrogen bonds due to the lack of significant interaction between hydrogen and chlorine.

PREREQUISITES
  • Understanding of molecular polarity and its effects on liquid behavior
  • Familiarity with hydrogen bonding and electronegativity concepts
  • Knowledge of electrical charge induction in liquids
  • Basic grasp of historical scientific observations related to electrostatics
NEXT STEPS
  • Research the principles of molecular polarity and its implications in chemistry
  • Study the characteristics and examples of hydrogen bonding in various compounds
  • Explore the concept of charge induction in liquids and its applications in electrostatics
  • Review historical experiments on static electricity, particularly those by Benjamin and Desaguilers
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Chemists, physics students, and educators interested in molecular interactions, electrostatics, and the principles governing liquid behavior in electric fields.

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A book said that a liquid made up of non-polar molecules shows no deflection when a charged rod is placed near the liquid
But if we place the charged object near an insulator,the insulator would be induced and therefore,they will stick together.(dont know I am correct
Another question:
A hydrogen bond is the electromagnetic attractive interaction of a hydrogen atom and an electronegative atom, such as nitrogen, oxygen or fluorine, that comes from another molecule or chemical group.
But according to the Pauling scale,N and Cl have the same value,so why HCl doesn't have hydrogen bond?
 
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On the subject of a charged rod deflecting a stream of liquid, see the following PF thread:
https://www.physicsforums.com/showthread.php?t=559505

In particular the papers posted by f.c. (http://pubs.acs.org/doi/pdfplus/10.1021/ed077p1520) provides the following explanation:
In fact, the explanation for electrical deflection of a polar
liquid droplet stream is that the polar liquid droplets carry an
induced electrical charge. Electrical charging induced in water
droplet streams by nearby charged objects has been known
for well over two centuries, the first such observation being
attributed by Benjamin (5) to Jean Théophile Desaguilers
(1683–1744). (For a more recent review of static electrification
phenomena, see Loeb [6 ].) The effect results from a charge
separation in the water droplet as it forms, induced by the charge
on the nearby deflection device. As the droplet separates, a
fraction of the like charges repelled by the deflector statistically
remain behind in the water reservoir so that the droplet acquires
a net charge opposite to the charge on the deflector and is
attracted to it.
 

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