Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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 3

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 4

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

Accepted Answer

A)  CF4
B)  CCl4
C)  CBr4
D)  CI4
E)  CH4F) C) and D)
G) A) and E)

Question 5

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 6

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

Accepted Answer

A)  S
B)  O
C)  F
D)  N
E)  HF) A) and C)
G) C) and D)

Question 7

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

Accepted Answer

Water would have the...

Question 8

Which substance has the lowest vapor pressure at room temperature?

Accepted Answer

A)  HF
B)  HCl
C)  HBr
D)  HI
E)  H2F) A) and E)
G) A) and D)

Question 9

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 IIIF) A) and B)
G) B) and D)

Question 10

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.F) B) and D)
G) A) and C)

Question 11

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

Accepted Answer

A)  CH4
B)  Cl2
C)  Kr
D)  CH3Cl
E)  N2F) B) and E)
G) None of the above

Question 12

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 Cl2F) C) and D)
G) B) and D)

Question 13

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 lineF) A) and E)
G) A) and D)

Question 14

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 IIIF) C) and E)
G) A) and B)

Question 15

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 16

___________ ____________ is another name given for dispersion forces.

Accepted Answer

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

Question 17

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) 2F) A) and B)
G) A) and C)

Question 18

___________ ____________ are described by an instantaneous dipole.

Accepted Answer

London for...

Question 19

Solids are generally most stable in crystalline form.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

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

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

___________ ____________ is another name given for dispersion forces.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedWater would have the...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

___________ ____________ are described by an instantaneous dipole.

Correct AnswerverifiedLondon for...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Solids are generally most stable in crystalline form.

Correct AnswerverifiedShow Answer

Which substance has the lowest vapor pressure at room temperature?

Correct AnswerverifiedShow Answer

Correct Answer
verified

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

Correct Answer
verified

_ __ is another name given for dispersion forces.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified
Water would have the...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

_ __ are described by an instantaneous dipole.

Correct Answer
verified
London for...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified