What explains the very high melting and boiling point of water

Strong hydrogen bonds between water molecules

Strong dipole-dipole bonds between water molecules

Dispersion forces which are present in all molecules

Asymmetrical shape of the polar bonds.

Rank these in order of strength: covalent bond London forces hydrogen bond dipole-dipole attraction

covalent bond>hydrogen bond>dipole-dipole>London

dipole-dipole>covalent bond>hydrogen bond>London

London>dipole-diple>hydrogen bond>covalent bond

hydrogen bond>dipole-dipole>London>covalent bond

What best explains the difference in melting points between Cl 2 (-101.5) and F 2 (-219)?

Increased mass (polarizability) of chlorine

Increased electronegativity of fluorine

Increased number of electrons in chlorine

Decrease metallic character of fluorine

Which of the following statements correctly explains why hydrogen bonding is such a strong intermolecular force?

There is an attraction between a small, weakly electronegative hydrogen atom and a large, strongly electronegative atom of fluorine, nitrogen, or oxygen

There is an attraction between a small, highly electronegative hydrogen atom and a large, highly electronegative fluorine atom

There is an attraction between the hydrogen and oxygen atoms only

There is an attraction between the hydrogen and nitrogen atoms only

According to kinetic molecular theory, in which of the following gases will the root mean square speed of the molecules be the highest at 200ºC?

None, the molecules of all gases have the same root mean square speed at any given temperature.

Which of the following is an assumption of the kinetic-molecular theory of gases?

The temperature of a gas depends on the average kinetic energy of the gas particles.

Collisions between gas particles are inelastic.

Gases consist of closely spaced particles.

Gas particles move around in an orderly manner.

1. Under which conditions does a real gas behave very much like an ideal gas?

high temperature and low pressure

high temperature and high pressure

low temperature and high pressure

low temperature and low pressure

1. Liquids are more ordered than gases because liquids have ?

stronger intermolecular forces and greater mobility of the particles

Weaker Intermolecular Forces And Lower Mobility Of The Particles

stronger intermolecular forces and lower mobility of the particles.

weaker intermolecular forces and greater mobility of the particles

Which does not affect the rate at which a solid solute dissolves?

the vapor pressure of the solvent

the speed at which the solution is stirred

A student extracts the colour from some green smarties and uses paper chromatography to separate components colours. She finds blue has a R f =0.38 and yellow R f =0.75 this suggests

the blue is more strongly adsorbed onto the stationary phase and is less solublein the mobile phase.

the yellow is more strongly adsorbed onto the stationary phase and is less solublein the mobile phase.

the yellow is more strongly adsorbed onto the stationary phase and is more soluble in the mobile phase.

the blue is more strongly adsorbed onto the stationary phase and is less solublein the mobile phase.

A high R f value indicates strong

strong affinity to the mobile phase

strong affinity to the stationary phase

no affinity to the stationary phase

Select the correct order of waves on the EMS

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

AP Chemistry Unit 3 IMF and Properties

11th - 12th Grade

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48 Qs

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AP Chemistry Unit 3 IMF and Properties

Quiz

•

Chemistry

•

11th - 12th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-PS1-3, HS-PS4-1, HS-PS1-1

Standards-aligned

Charles Martinez

FREE Resource

48 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ethane, C₂H₆, has the following bonding:

ionic

metallic

nonpolar covalent

polar covalent

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Copper (II) nitride, Cu₃N₂, has the following bonding:

ionic

metallic

nonpolar covalent

polar covalent

Cesium chloride, CsCl(s) has the following bonding:

lattice of positive and negative ions held together by electrostatic forces

closely packed lattice with delocalized electrons throughout

strong single covalent bonds with weak intermolecular forces

strong multiple covalent bonds with weak intermolecular forces

Carbon dioxide, CO₂, has the following bonding:

lattice of positive and negative ions held together by electrostatic forces

closely packed lattice with delocalized electrons throughout

strong single covalent bonds with weak intermolecular forces

strong multiple covalent bonds with weak intermolecular forces

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following typically has the lowest melting point?

Metals

Covalent network solids

Ionic compounds

Covalent molecules

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following probably has the highest solubility in water?

Metals

Covalent network solids

Ionic compounds

Covalent molecules

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following probably has the highest solubility in hexane, C₆H₁₄?

Metals

Polar covalent molecules

Ionic compounds

Nonpolar covalent molecules

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AP Chemistry Unit 3 IMF and Properties

48 questions

Ethane, C₂H₆, has the following bonding:

Copper (II) nitride, Cu₃N₂, has the following bonding:

Cesium chloride, CsCl(s) has the following bonding:

Carbon dioxide, CO₂, has the following bonding:

Which of the following typically has the lowest melting point?

Which of the following probably has the highest solubility in water?

Which of the following probably has the highest solubility in hexane, C₆H₁₄?

Of the following molecules, which is the most polar?

Which of the following has the lowest melting point?

Which of the following is most likely to be soluble in water?

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AP Chemistry Unit 3 IMF and Properties

48 questions

Ethane, C2H6, has the following bonding:

Copper (II) nitride, Cu3N2, has the following bonding:

Cesium chloride, CsCl(s) has the following bonding:

Carbon dioxide, CO2, has the following bonding:

Which of the following typically has the lowest melting point?

Which of the following probably has the highest solubility in water?

Which of the following probably has the highest solubility in hexane, C6H14?

Of the following molecules, which is the most polar?

Which of the following has the lowest melting point?

Which of the following is most likely to be soluble in water?

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Ethane, C₂H₆, has the following bonding:

Copper (II) nitride, Cu₃N₂, has the following bonding:

Carbon dioxide, CO₂, has the following bonding:

Which of the following probably has the highest solubility in hexane, C₆H₁₄?