AP BIOLOGY

BIOCHEMISTRY

POLAR AND NONPOLAR MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The THREE weakest intermolecular forces (IMF) can be ranked in order of relative strength. From the among the THREE weakest IMF, which is the second strongest intermolecular force, after hydrogen bonding?
A
dipole-dipole attraction
B
London forces (or dispersion forces)
C
hydrogen bonding interactions
Explanation: 

Detailed explanation-1: -In the order of weakest to strongest: dispersion force. Dipole-dipole force. Hydrogen bond.

Detailed explanation-2: -The order of strength in the decreasing order is: ion-dipole, hydrogen bonds, dipole-dipole, and Vander Waals Forces.

Detailed explanation-3: -Hydrogen Bonding (H-Bonding) They only occur between hydrogen and oxygen, fluorine or nitrogen, and are the strongest intermolecular force.

Detailed explanation-4: -Dipole-dipole interactions are the strongest intermolecular force of attraction.

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