1. which type of intermolecular attractive force operates between all molecules?

a. dipole-dipole forces
b. ion-dipole forces
c. london dispersion forces
d. hydrogen-bonding forces

2. which type of intermolecular attractive force operates only between polar molecules?

a. dipole-dipole forces
b. ion-dipole forces
c. london dispersion forces
d. hydrogen-bonding forces
3. which type of intermolecular attractive force operates only between the hydrogen atom of a polar bond and a nearby small electronegative atom?

a. dipole-dipole forces
b. ion-dipole forces
c. london dispersion forces
d. hydrogen-bonding forces

1) C

2)A

3)D

Explanation:

London forces are common to all molecules, it results from momentary shifts in electron distribution in molecules. When molecules possess a permanent dipole, dipole-dipole interaction is the dominant intermolecular force. However, for compounds in which hydrogen is bonded to highly electronegative element, hydrogen bonding is important.

1↔C  2↔A  3↔D

Explanation:

London dispersion forces are weak Vanderwal forces that exists between

all molecules.

Dipole-dipole forces operates between polar molecules because of the attraction between slightly developed opposite charges.

Hydrogen-bonding is the strongest dipole-dipole interaction because of the largest electronegativity difference between hydrogen atom and the most electronegative atoms like F,O,N.

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explanation:

2b2t

explanation:

2b2t