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WorksheetsPolarity and Intermolecular Forces
Total questions: 25
Worksheet time: 25mins
Intermolecular forces for: NH3
Dispersion Force
Dipole dipole
Hydrogen bonding
Intermolecular Forces are the forces that exist
Between two or more molecules
Within a single molecule
Only in molecules containing carbon
In all molecules
Forces that holds molecules together
intramolecular forces
intermolecular forces
Which of the following characteristics describe the following substance? Select all that apply.
London dispersion forces (aka Van Der Waals forces)
dipole-dipole interactions
Hydrogen bonds
polar
Which of the following characteristics describe the following substance? Select all that apply.
London dispersion forces (aka Van Der Waals forces)
dipole-dipole interactions
Hydrogen bonds
polar
Intermolecular Forces include : (a) (b) (c)
Hydrogen Bonds
Dipole-Dipole Interactions
Dispersion Forces
Covalent Bonds
Ionic Bonds
Metallic Bonds
Which of the following characteristics describe the following substance? Select all that apply.
London dispersion forces (aka Van Der Waals forces)
dipole-dipole interactions
Hydrogen bonds
polar
Intermolecular forces for: CO2
Dispersion Force
Dipole dipole
Hydrogen bonding
What is the dominant IMF of nonpolar molecules?
Dipole Dipole
H-bonding
Ionic
London Dispersion
To form a hydrogen bonding, Hydrogen needs to attract to the highly electronegative elements such us _____, _____, and ____
chlorine, fluorine, and oxygen
fluorine, oxygen, and sulfur
fluorine, bromine, and oxygen
fluorine, oxygen, and nitrogen
Hydrogen bonding is a special case of __________.
london dispersion
ion-dipole
dipole-dipole
Dipole-Dipole forces are stronger than _______ and weaker than _________ interactions.
london dispersion, ion-dipole
hydrogen bonding, london dispersion
ion-dipole, london dispersion
What explains the very high melting and boiling point of water
Strong dipole-dipole bonds between water molecules
Strong hydrogen bonds between water molecules
Dispersion forces which are present in all molecules
Asymmetrical shape of the polar bonds.
All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces. Which of these has ONLY London forces?
I2
NH3
OCl2
SH2
Which substance would have the weakest intermolecular forces of attraction?
CH4
NaCl
H2O
MgF2
The weaker the intermolecular forces of a substance the _____________ the boiling point
higher
lower
Type of intermolecular force present in I2, Br2, and Cl2.
dipole dipole
H-bond
London dispersion
metallic
For hydrogen bonding to occur, a molecule must have a hydrogen bonded to
carbon
another hydrogen
Fluorine, Chlorine or Oxygen
Fluorine, Nitrogen or Oxygen
Does NH3 or PH3 have a higher boiling point? (Hint: identify the types of IMF's present for each)
NH3 because it has the strongest IMF's
PH3 because it has the strongest IMF's
NH3 because it has the weakest IMF's
PH3 because it has the weakest IMF's
Which type of intermolecular force is primarily responsible for the high boiling point of water?
Hydrogen bonding
Dipole-dipole interactions
London dispersion forces
Ionic bonding
What type of intermolecular force occurs between polar molecules?
London dispersion forces
Hydrogen bonding
Dipole-dipole interactions
Metallic bonding
Which of the following molecules would exhibit hydrogen bonding?
CH4
H2O
CO2
CCl4
What is the main reason for the solubility of salt (NaCl) in water?
Ionic bonds
Hydrogen bonds
Dipole-dipole interactions
Ion-dipole interactions
Which intermolecular force is the weakest?
Hydrogen bonding
Dipole-dipole interactions
London dispersion forces
Ionic bonding
How do intermolecular forces affect the boiling point of a substance?
Stronger intermolecular forces result in a higher boiling point
Weaker intermolecular forces result in a higher boiling point
Intermolecular forces do not affect boiling point
Boiling point is only affected by molecular weight
