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List the types of intermolecular forces that exist between molecules (or basic units) in each of the following species: (a) benzene (C6H6), (b) CH3Cl,
(c) PF3, (d) NaCl, (e) CS2.

Respuesta :

Benzene (C6H6) = nonpolar molecules . Dispersion forces are present only. Chloroform (CH3Cl)= polar molecules . Dispersion and dipole-dipole forces are present. Phosphorus trifluoride (PF3) molecules are polar. Dispersion and dipole-dipole forces are present. Sodium chloride (NaCl) = ionic compound. Ion-ion and dispersion forces are present. Carbon disulfide (CS2) = nonpolar molecules . Dispersion forces are present only.

Answer:

Answer has been given below

Explanation:

  • Every molecules contain electrons. So, London dispersion force exists in all molecules.
  • For polar aprotic molecules, additional dipole-dipole force exists between molecules.
  • For ionic compounds, additional ionic interaction force exist between ions.
  • For non polar molecules, only London dispersion force exists between molecules.
  • Benzene is a non-polar molecule. So London dispersion force exists between benzene molecules.
  • [tex]CH_{3}Cl[/tex] is a polar molecule. So, dipole-dipole force and London dispersion force exists between [tex]CH_{3}Cl[/tex] molecules.
  • [tex]PF_{3}[/tex] is a polar molecule. So, dipole-dipole force and London dispersion force exists between [tex]PF_{3}[/tex] molecules.
  • NaCl is an ionic compound. So London dispersion force and ionic interaction force exists between NaCl molecules.
  • [tex]CS_{2}[/tex] is a nonpolar molecule. So, London dispersion force exists between [tex]CS_{2}[/tex] molecules.