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mel-nik [20]
3 years ago
11

Suppose that NaCl is added to hexane (C6H14) instead of water. Which of the following intermolecular forces will exist in the sy

stem?
Check all that apply.

Ion-dipole force between Na+ ions and a hexane molecule
Ion-ion force between Na+ and Cl− ions
Dipole-dipole force between two hexane molecules
Hydrogen bonding between Na+ ions and a hexane molecule
London dispersion force between two hexane molecules
Chemistry
2 answers:
svet-max [94.6K]3 years ago
5 0

Answer:

Ion-ion force between Na+ and Cl− ions

London dispersion force between two hexane molecules

Explanation:

"Ion-dipole force between Na+ ions and a hexane molecule " does not exist since hexane has only non-polar bonds and therefore no dipole.

"Ion-ion force between Na+ and Cl− ions " exists since both are ions.

"Dipole-dipole force between two hexane molecules " does not exist since hexane molecules do not have a dipole.

"Hydrogen bonding between Na+ ions and a hexane molecule " does not exist since the hydrogen in the hydrogen bond must be bonded directly to an electronegative atom, which hexane does not have since it is a hydrocarbon.

"London dispersion force between two hexane molecules" exist since hexane is a molecular compound.

aivan3 [116]3 years ago
5 0

Answer:

Ion-ion force between Na⁺ and Cl⁻ ions.

London dispersion force between two hexane molecules.

Explanation:

<em>Suppose that NaCl is added to hexane (C₆H₁₄) instead of water. Which of the following intermolecular forces will exist in the system? </em>

<em>Check all that apply. </em>

  • <em>Ion-dipole force between Na⁺ ions and a hexane molecule.</em> NO. Hexane is nonpolar so it can interact through ion-dipole forces.
  • <em>Ion-ion force between Na⁺ and Cl⁻ ions.</em> YES. Na⁺ is a cation (positive ion) and interacts with the anion (negative ion) Cl⁻ through ion-ion forces.
  • <em>Dipole-dipole force between two hexane molecules.</em> NO. Since hexane molecules are not dipoles, they do not show dipole-dipole interaction.
  • <em>Hydrogen bonding between Na⁺ ions and a hexane molecule.</em> NO. Hydrogen bonding requires H bonded to a very electronegative atom, such as N, O or F, which does not happen in hexane.
  • <em>London dispersion force between two hexane molecules.</em> YES. The kind of interaction between nonpolar molecules is London dispersion force.
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