Question 1

Choose the response that lists the member of each of the following pairs that has the higher boiling point. I.H2O or KI,II.HF or HI,III.Cl2 or Br2

Accepted Answer

A) H2O,HF,and Cl2 
B) KI,HF,and Br2 
C) KI,HI,and Br2 
D) H2O,HI,and Cl2 
E) KI,HF,and Cl2

Question 2

Which liquid is expected to have the larger surface tension at a given temperature,CCl₄ or H₂O? Briefly explain.

Accepted Answer

The answer of Which liquid is expected to have the...

Question 3

Poor conductor of heat and electricity,soft,and low melting point are properties which describe a(n)_______________ crystal.

Accepted Answer

The answer of Poor conductor of heat and electricity,soft,and low...

Question 4

___________ ____________ are described by an instantaneous dipole.

Accepted Answer

The answer of ___________ ____________ are described by an instantaneous...

Question 5

Which of the following pure substances has the highest boiling point?

Accepted Answer

A) CH4 
B) Cl2 
C) Kr 
D) CH3Cl 
E) N2

Question 6

The strongest intermolecular interactions between ethyl alcohol (CH3CH2OH)molecules arise from

Accepted Answer

A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) ion-dipole interactions. 
E) carbon-oxygen bonds.

Question 7

The shape of the water-to-glass meniscus results from the strong adhesive forces between glass and water.

Accepted Answer

A) True 
 B)False

Question 8

Which substance has the lowest vapor pressure at room temperature?

Accepted Answer

A) HF 
B) HCl 
C) HBr 
D) HI 
E) H2

Question 9

Variable melting point,variable hardness,and good conductor of heat and electricity are properties which describe a(n)_______________ crystal.

Accepted Answer

The answer of Variable melting point,variable hardness,and good conductor of...

Question 10

Which of the following atoms does not participate in hydrogen bonding?

Accepted Answer

A) S 
B) O 
C) F 
D) N 
E) H

Question 11

___________ ____________ is another name given for dispersion forces.

Accepted Answer

The answer of ___________ ____________ is another name given for...

Question 12

Solids are generally most stable in crystalline form.

Accepted Answer

A) True 
 B)False

Question 13

_______________ ________ are solids that lack a regular three-dimensional arrangement of atoms.

Accepted Answer

The answer of _______________ ________ are solids that lack a...

Question 14

What types of intermolecular forces exist between hydrogen fluoride molecules? I.London forces
II)dipole-dipole interactions
III)hydrogen bonding
IV)ion-dipole interactions

Accepted Answer

A) II and III 
B) I,II,and III 
C) I only 
D) III only 
E) I and III

Question 15

Only molecules which do not have dipole moments can experience dispersion forces.

Accepted Answer

A) True 
 B)False

Question 16

Which kinds of intermolecular forces exist between propane molecules? I.dispersion forces
II)dipole-dipole interactions
III)ion-dipole interactions

Accepted Answer

A) I only 
B) II only 
C) III only 
D) I,II,and III 
E) I and III

Question 17

Below is the phase diagram for sulfur.Which phase has the highest density at 119°C?

Accepted Answer

A) liquid 
B) vapor 
C) rhombic solid 
D) monoclinic solid 
E) liquid-vapor boundary line

Question 18

For which of the following pure substances are the intermolecular interactions entirely due to dispersion forces?

Accepted Answer

A) C2H6 
B) CH3OCH3 
C) NO2 
D) H2S 
E) Ca(NO3)2

Question 19

Ethanol (C2H5-OH)will have a greater viscosity than ethylene glycol (HO-CH2CH2-OH)at the same temperature.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following pure substances has the highest boiling point?

Accepted Answer

A) CF4 
B) CCl4 
C) CBr4 
D) CI4 
E) CH4

Exam 11: Intermolecular Forces and the Physical Properties of Liquids and Solids

Choose the response that lists the member of each of the following pairs that has the higher boiling point. I.H₂O or KI,II.HF or HI,III.Cl₂ or Br₂

Which liquid is expected to have the larger surface tension at a given temperature,CCl₄ or H₂O? Briefly explain.

Poor conductor of heat and electricity,soft,and low melting point are properties which describe a(n)_______________ crystal.

_ __ are described by an instantaneous dipole.

Which of the following pure substances has the highest boiling point?

The strongest intermolecular interactions between ethyl alcohol (CH₃CH₂OH) molecules arise from

The shape of the water-to-glass meniscus results from the strong adhesive forces between glass and water.

Which substance has the lowest vapor pressure at room temperature?

Variable melting point,variable hardness,and good conductor of heat and electricity are properties which describe a(n)_______________ crystal.

Which of the following atoms does not participate in hydrogen bonding?

_ __ is another name given for dispersion forces.

Solids are generally most stable in crystalline form.

_______ are solids that lack a regular three-dimensional arrangement of atoms.

What types of intermolecular forces exist between hydrogen fluoride molecules? I.London forces II) dipole-dipole interactions III) hydrogen bonding IV) ion-dipole interactions

Only molecules which do not have dipole moments can experience dispersion forces.

Which kinds of intermolecular forces exist between propane molecules? I.dispersion forces II) dipole-dipole interactions III) ion-dipole interactions

Below is the phase diagram for sulfur.Which phase has the highest density at 119°C?

For which of the following pure substances are the intermolecular interactions entirely due to dispersion forces?

Ethanol (C₂H₅-OH)will have a greater viscosity than ethylene glycol (HO-CH₂CH₂-OH)at the same temperature.

Which of the following pure substances has the highest boiling point?

Exam 11: Intermolecular Forces and the Physical Properties of Liquids and Solids

Choose the response that lists the member of each of the following pairs that has the higher boiling point. I.H2O or KI,II.HF or HI,III.Cl2 or Br2

Which liquid is expected to have the larger surface tension at a given temperature,CCl4 or H2O? Briefly explain.

Poor conductor of heat and electricity,soft,and low melting point are properties which describe a(n)_______________ crystal.

___________ ____________ are described by an instantaneous dipole.

Which of the following pure substances has the highest boiling point?

The strongest intermolecular interactions between ethyl alcohol (CH3CH2OH) molecules arise from

The shape of the water-to-glass meniscus results from the strong adhesive forces between glass and water.

Which substance has the lowest vapor pressure at room temperature?

Variable melting point,variable hardness,and good conductor of heat and electricity are properties which describe a(n)_______________ crystal.

Which of the following atoms does not participate in hydrogen bonding?

___________ ____________ is another name given for dispersion forces.

Solids are generally most stable in crystalline form.

_______________ ________ are solids that lack a regular three-dimensional arrangement of atoms.

What types of intermolecular forces exist between hydrogen fluoride molecules? I.London forces II) dipole-dipole interactions III) hydrogen bonding IV) ion-dipole interactions

Only molecules which do not have dipole moments can experience dispersion forces.

Which kinds of intermolecular forces exist between propane molecules? I.dispersion forces II) dipole-dipole interactions III) ion-dipole interactions

Below is the phase diagram for sulfur.Which phase has the highest density at 119°C?

For which of the following pure substances are the intermolecular interactions entirely due to dispersion forces?

Ethanol (C2H5-OH)will have a greater viscosity than ethylene glycol (HO-CH2CH2-OH)at the same temperature.

Which of the following pure substances has the highest boiling point?

Choose the response that lists the member of each of the following pairs that has the higher boiling point. I.H₂O or KI,II.HF or HI,III.Cl₂ or Br₂

Which liquid is expected to have the larger surface tension at a given temperature,CCl₄ or H₂O? Briefly explain.

_ __ are described by an instantaneous dipole.

The strongest intermolecular interactions between ethyl alcohol (CH₃CH₂OH) molecules arise from

_ __ is another name given for dispersion forces.

_______ are solids that lack a regular three-dimensional arrangement of atoms.

Ethanol (C₂H₅-OH)will have a greater viscosity than ethylene glycol (HO-CH₂CH₂-OH)at the same temperature.