Dipole-Induced Dipole Forces are weak attractive forces that exist between polar and non-polar molecules. In these forces, the positive end of a polar molecule attracts the mobile electrons of a nearby non-polar molecule, inducing polarity in the non-polar molecule. This interaction results in both molecules becoming dipoles, leading to a temporary attraction known as dipole-induced dipole forces or Debye forces.
What are Dipole-Induced Dipole Forces?
Dipole-Induced Dipole Forces are intermolecular forces that occur between a polar molecule and a non-polar molecule when the positive end of the polar molecule attracts the mobile electrons of the nearby non-polar molecule, inducing polarity in the non-polar molecule.
How do Dipole-Induced Dipole Forces work?
In Dipole-Induced Dipole Forces, the positive end of a polar molecule attracts the electrons of a nearby non-polar molecule, causing the non-polar molecule to become a temporary dipole. This interaction results in a weak force of attraction between the two molecules.
Are Dipole-Induced Dipole Forces stronger than Dipole-Dipole Forces?
Dipole-Induced Dipole Forces are generally weaker than Dipole-Dipole Forces, which involve interactions between polar molecules with permanent dipoles.
Which molecules exhibit Dipole-Induced Dipole Forces?
Dipole-Induced Dipole Forces can be observed in mixtures of substances containing both polar and non-polar molecules, where the polar molecules induce polarity in the non-polar ones.
Do Dipole-Induced Dipole Forces affect physical properties of substances?
Yes, Dipole-Induced Dipole Forces play a role in determining physical properties such as boiling points, melting points, and solubility of substances due to the interactions between polar and non-polar molecules.
What type of intermolecular forces are Dipole-Induced Dipole Forces?
a) London dispersion forces
b) Hydrogen bonding
c) Ion-dipole interactions
d) Dipole-dipole forces
Answer: a) London dispersion forces
Which forces are responsible for inducing polarity in non-polar molecules?
a) Hydrogen bonding
b) Ion-dipole interactions
c) London dispersion forces
d) Dipole-induced dipole forces
Answer: d) Dipole-induced dipole forces
What happens when the positive end of a polar molecule attracts the mobile electrons of a nearby non-polar molecule?
a) Hydrogen bonding occurs
b) Ion-dipole interactions form
c) Polarity is induced in the non-polar molecule
d) Dipole-dipole forces strengthen
Answer: c) Polarity is induced in the non-polar molecule
Which physicist offered a simple explanation for the weak attractive forces between non-polar molecules?
a) Fritz London
b) Albert Einstein
c) Marie Curie
d) Isaac Newton
Answer: a) Fritz London
Which type of forces operate among non-polar molecules like helium, neon, argon, chlorine, and methane?
a) Hydrogen bonding
b) Dipole-dipole forces
c) London dispersion forces
d) Ion-dipole interactions
Answer: c) London dispersion forces