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3rd Quarter > GEN CHEM QUIZ > Flashcards

GEN CHEM QUIZ Flashcards

1
Q

What type of IMF is present in all substances, regardless of polarity?

Ion-dipole
Dipole-dipole force
Hydrogen bonding
London dispersion force

A

London dispersion force

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2
Q

Which of the following is not an intermolecular force?

Covalent bonding
Dipole-dipole force
Hydrogen bonding
London dispersion force

A

Covalent bonding

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3
Q

Which of the following is the strongest intermolecular force?

Ion-dipole
Ion-induced dipole
Hydrogen bonding
London dispersion force

A

Ion-dipole

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4
Q

What type of intermolecular force present in HF?

Ion-dipole
Ion-induced dipole
Hydrogen bonding
London dispersion force

A

Hydrogen bonding

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5
Q

Which of the following has the highest boiling point?

H2
NH3
N2
O2

A

NH3

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6
Q

Which of the following intermolecular force present in HCl?
Dipole-dipole
Hydrogen bonding
London dispersion force
Dipole-induced dipole

A

Dipole-dipole

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7
Q

What explains the very high melting and boiling point of water?

London force’s shape of the polar bonds.
Strong hydrogen bonds between water molecules.
Dispersion forces which are present in all molecules.
Strong dipole-dipole bonds between water molecules.

A

Strong hydrogen bonds between water molecules.

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8
Q

Which of the following is TRUE about dipole-dipole forces?

It is an attractive force between nonpolar molecules.
It is an attractive force between polar molecules
It is an attractive force between ionic compounds.
It is an attractive force between polar and nonpolar molecules.

A

It is an attractive force between polar molecules

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9
Q

Which of the following statement is TRUE about the ion-dipole interaction?

The bigger the size of ion, the bigger the attraction.
The smaller the size of ion, the bigger the attraction.
The higher the frequency of dipole moment, the lower the possibility of attraction.
The lower the frequency of dipole moment, the higher the possibility of attraction.

A

The smaller the size of ion, the bigger the attraction.

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10
Q

Which of the following is FALSE about KMT of solids and liquids?

Solid are held rigidly at fixed positions and have little freedom to move.
Solids have the ability to assume the shape of its container.
Liquids and solids have less internal energy compared to gases
Liquids are close enough to slide past one another and be slightly compressible.

A

Solids have the ability to assume the shape of its container.

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11
Q

Hydrogen bonding occurs when hydrogen is bonded to N, O, or F. Which of the following has hydrogen bonding?

CBr4
NO2
H2S
NH3

A

NH3

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12
Q

Does H2O have hydrogen bonding?

A

YES

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13
Q

Does CH4 have hydrogen bonding?

A

NO

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14
Q

Which is the second strongest intermolecular force, after hydrogen bonding?

Dipole-dipole
London dispersion
Ion-induced dipole
Dipole-induced dipole

A

Dipole-dipole

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15
Q

Which of the following is TRUE about ionic bonding

Transfer of protons
Transfer of electrons
Sharing of protons
Sharing of electrons

A

Sharing of electrons

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16
Q

It is a property of liquid to resist an external force and assume a lesser surface area.

Surface tension
Viscosity
Specific heat capacity

A

Surface tension

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17
Q

It is the pressure exerted by its vapor when in equilibrium with its liquid or solid

Boiling point
Vapor pressure
Atmospheric pressure
Specific heat capacity

A

Vapor pressure

18
Q

Which of the following is TRUE about viscosity

Tendency of a liquid to flow
Liquid’s resistance to flow
pressure that equalizes the atmospheric pressure
Boiling point

A

Liquid’s resistance to flow

19
Q

If a liquid has high viscosity, it means that…

Weak resistance to flow
Strong intermolecular force
No forces of attraction present
Higher boiling point

A

Strong intermolecular force

20
Q

Which of the following is the most viscous substance?

water
soap
water strider
Honey

A

Honey

21
Q

The attractive force between water molecules.

Adhesiveness
Viscosity
Cohesiveness
Tension

A

Cohesiveness

22
Q

The attractive force between water molecules and non-water molecule

Adhesiveness
Viscosity
Cohesiveness
Tension

A

Adhesiveness

23
Q

The tendency of a water molecule to move upward.

Sliding filament model
Viscosity
Capillary action
Tension

A

Capillary action

24
Q

Which of the following is TRUE about attractive force in cohesion?

particles of the same substance
particles of both the same and different substances
particles of a different substance
particles of neither the same or different substances

A

particles of the same substance

25
Q

Which of the following is TRUE about capillary action?

property of water that allows ice to float on the surface of liquid water
sticking of water molecules to other surfaces
property of water that allows water to move up a thin tube
property of water that allows it to dissolve polar substances

A

property of water that allows water to move up a thin tube

26
Q

Liquids with weak intermolecular forces has…

contain a lot of electrons
cannot diffuse
easily evaporate
freeze easily

A

easily evaporate

27
Q

Which of the following is true about the strength of intermolecular forces in liquids?

different temperatures
different equilibrium vapor pressure
the same equilibrium vapor pressure
the same amount of kinetic energy

A

different equilibrium vapor pressure

28
Q

Why does ice float?

As water freezes, air becomes trapped between the hydrogen bonds of water
molecules.
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have
a greater buoyancy.
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a
greater buoyancy.
As water freezes, it expands and its density decreases.

A

As water freezes, it expands and its density decreases.

29
Q

What is the best explanation for an insect walking across the surface of the
water?

The insects actually use their wings to hover slightly above the water’s surface and
they only skim it with their feet
The insects’ feet are non-polar, so they are repelled by the polar water molecules and
are pushed away from the water’s surface
The insects are light enough so that they do not break the hydrogen bonds holding
the water molecules together
The insects are small enough to see the individual water molecules, so they are able
to step carefully from one molecule to the next

A

The insects are light enough so that they do not break the hydrogen bonds holding
the water molecules together

30
Q

Why water is considered as universal solvent?

Dissolves most substances
It can be found anywhere
floats when frozen
It freezes in zero degree celcius

A

Dissolves most substances

31
Q

It is a classification of solid that lacks an orderly lattice structure

crystalline
amorphous
metallic
ionic

A

amorphous

32
Q

Which of the following represent a crystalline structure of solid?

molecular
atomic
ionic
all of these

A

all of these

33
Q

It is a type of solid that is conductive.

nonbonding
metallic
network covalent
molecular

A

metallic

34
Q

It is a type of solid that is held together by dispersion forces.

nonbonding
metallic
network covalent
molecular

A

nonbonding

35
Q

It is a type of solid that is held together by covalent bonds.

nonbonding
metallic
network covalent
molecular

A

network covalent

36
Q

It is a type of solid that has molecules as composite units

nonbonding
metallic
network covalent
molecular

A

molecular

37
Q

an example of this type of solid is diamond and graphite, both made of carbon atoms.

nonbonding
metallic
network covalent
molecular

A

network covalent

38
Q

These solids are typically poor conductors with low melting points

ionic
metallic
network covalent
molecular

A

molecular

39
Q

NaCl is an example of what type of solid?

ionic
metallic
network covalent
molecular

A

ionic

40
Q

These solids have particles arranged in a repeating pattern

amorphous
crystalline
lattice
Frenkel

A

crystalline

3rd Quarter (3 decks)

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