Question

What are the intermolecular forces that are present in each of the following molecules? If none,...

What are the intermolecular forces that are present in each of the following molecules? If none, write none

  1. HCl
  2. CH3CH3
  3. CH3NH2
  4. Kr
    • Ion-dipole:
    • Dipole-dipole:
    • Hydrogen bonding
    • London dispersion forces:
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Answer #1

NOTE

The London dispersion force is a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles.

So this force presenet in all molecules and atoms.( I will not mentioned it every time while answering for molecules).

HCl - Due to elctronegativity difference between H and Cl HCl is polar molecule. Hence dipole-dipole force is present where more elctronegative Cl has partial positive charge and less elctronegative H has partial positive charge.

CH3CH3 - Ethane is nonpolar molecule. Only london dispersion force.

CH3NH2 - H bonding arises when H atom is attached to more elctronegative atom ( F, O and N).

Methyl amine have both dipole-dipole and H bonding.

Kr - only london dispersion force.

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