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Study Quiz 2
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1
Which of the following is true?
A)Covalent bonds are strong intermolecular forces.
B)Covalent bonds are weak intramolecular forces.
C)Covalent bonds are weak intermolecular forces.
D)Covalent bonds are strong intramolecular forces.
2
What type of intermolecular force is responsible for the attraction between an ion and a polar molecule?
A)Dipole-dipole
B)Ion-induced dipole
C)Ion-dipole
D)Dipole-dipole
3
What type of intermolecular force is responsible for the attraction between a polar molecule that induces a charge on a non-polar molecule?
A)Dipole-dipole
B)Ion-dipole
C)Ion-induced dipole
D)Dipole-induced dipole
4
Which of the following can result in a dispersion force?
A)When a non-polar molecule becomes slightly polar for an instant
B)When the oppositely charged ends of a polar molecule attract each other
C)When there is a very strong dipole-dipole attraction between a hydrogen atom and a polar-molecule
D)When an ion comes close enough to a non-polar molecule to change its electron density
5
Which of the following does not form hydrogen bonds?
A)H2S
B)H2O
C)NH3
D)HF
6
Which of the following is not true?
A)Hydrogen bonding helps explain why solid water floats on liquid water.
B)Hydrogen bonding is responsible for the relatively low boiling point of water.
C)Water molecules are farther apart in solid water than they are in liquid water.
D)Hydrogen bonding is responsible for the relatively high boiling point of water.
7
Which of the following is not true?
A)Deoxyribonucleic acid is stabilized by hydrogen bonds and London dispersion forces.
B)van der Waals forces can exist between two different parts of the same large molecule.
C)The level of protein structure that is stabilized by London dispersion forces is called the secondary structure.
D)The level of protein structure that is stabilized by London dispersion forces is called the tertiary structure.
8
Which of the following is true?
A)Hydrogen bonds are stronger than covalent bonds.
B)A hydrogen bond is an electrostatic attraction between the nucleus of a hydrogen atom, bonded to fluorine, oxygen, or nitrogen, and the positive end of a nearby dipole.
C)In liquid water, each water molecule is hydrogen bonded to two other water molecules.
D)Hydrogen bonding is one type of dipole-dipole interaction.
9
Which of the following statements is correct?
A)Dipole-dipole forces have a greater energy than dipole-induced dipole forces.
B)Ion-induced dipole forces have a greater energy than dipole-dipole forces.
C)Dipole-induced dipole forces have a greater energy than ion-induced dipole forces.
D)Dispersion forces have a greater energy than dipole-dipole forces.
10
Methanol, ethanol, ammonia, and methylamine are soluble in water because
A)they can form ion-induced dipoles
B)they can form hydrogen bonds
C)there are dipole-dipole forces
D)there are dispersion forces





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