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HCl is an example of __________.
  • a)
    dipole-dipole intercations
  • b)
    dipole-induced dipole interactions
  • c)
    london intercation
  • d)
    van der waals interaction
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
HCl is an example of __________.a)dipole-dipole intercationsb)dipole-i...
Dipole-Dipole interactions occur between molecules having permanent dipoles. And also the ends of dipoles posses partial charge which represented by a Greek letter δ. In an HCl molecule, the same type of interactions occur.
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HCl is an example of __________.a)dipole-dipole intercationsb)dipole-i...
Understanding HCl and Its Interactions
HCl (hydrochloric acid) is a polar molecule, which means it has a permanent dipole due to the difference in electronegativity between hydrogen and chlorine. This polarity leads to specific types of intermolecular interactions.
1. Dipole-Dipole Interactions
- HCl exhibits dipole-dipole interactions, which occur between molecules that have permanent dipoles.
- The partially positive hydrogen atom of one HCl molecule is attracted to the partially negative chlorine atom of another HCl molecule.
- These interactions are significant in the liquid phase of HCl, contributing to its properties like boiling point and solubility.
2. Importance of Dipole-Dipole Interactions
- Strength: Dipole-dipole interactions are generally stronger than London dispersion forces (induced dipole interactions) but weaker than hydrogen bonds.
- Effect on Properties: The presence of dipole-dipole interactions influences the physical properties of HCl, such as its state and behavior in solutions.
3. Other Interaction Types
- Dipole-Induced Dipole Interactions: Occur when a polar molecule induces a dipole in a nonpolar molecule. HCl does not primarily interact this way.
- London Dispersion Forces: Present in all molecules, but these are not the main type of interaction in HCl.
- Van der Waals Interactions: A general term that includes both dipole-dipole and London dispersion forces; however, specifically for HCl, dipole-dipole interactions dominate.
Conclusion
In summary, the correct classification of HCl as exhibiting dipole-dipole interactions is due to its polar nature and the resulting attraction between the dipoles in neighboring HCl molecules. Understanding these interactions is crucial in chemistry, especially in predicting the behavior of acids and their solutions.
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There are two types of forces that occur with all substances on Earth. Intramolecular forces occur between atoms in a molecule, while intermolecular forces occur between neighboring molecules. Intermolecular forces can be dipole-dipole forces, hydrogen bonding, or London dispersion forces.Professor 1:Water molecules represent an example of hydrogen bonding due to the attraction between the hydrogen atoms and the oxygen atoms in the molecule. This strong dipole-dipole occurs due to lone pairs present on such atoms as Fluorine, Nitrogen, and Oxygen, which are able to pair more closely to the hydrogen atom in another nearby molecule. Water can be present in a solid, liquid, or gaseous state on Earth depending on the competition between the strength of intermolecular bonds and the thermal energy of the system. In 1873, a Dutch scientist, Van der Waals derived an equation that included both the force of attraction between the particles of a gas and the volume of the particles at high pressures. This equation led to a better fit for experimental data than the Ideal Gas Law.Professor 2:Water is the only substance on Earth that we routinely encounter as a solid, liquid, and gas. At low temperatures, the water molecules lock into a rigid structure, but as the temperature increases, the average kinetic energy of the water molecules increases and the molecules are able to move more creating its other natural states of matter. The higher the temperature, the more likely water is to be a gas. Water is proof of the kinetic theory, which assumes that there is no force of attraction between the particles of the gas state. The best fit for experimental data involving water in a gaseous form is found by using the Ideal Gas Law, since there is no interaction between the gaseous molecules. This law accounts for all of the forces that occur with gases on Earth.Q. Which of the following statements would professor 2 agree with?

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HCl is an example of __________.a)dipole-dipole intercationsb)dipole-induced dipole interactionsc)london intercationd)van der waals interactionCorrect answer is option 'A'. Can you explain this answer?
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