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AP Chemistry Intermolecular forces

AP Chemistry Intermolecular forces

memorize.aimemorize.ai (lvl 286)
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Section 1

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c. C2I6

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Mar 14, 2020

Cards (30)

Section 1

(30 cards)

c. C2I6

Front

Which one of the following derivatives of ethane has the highest boiling point? a. C2Br6 b. C2F6 c. C2I6 d. C2Cl6 e. C2H6

Back

c. Ionic Bonding

Front

The predominant intramolecular force in CaBr2 is __________. a. London-dispersion forces b. ion-dipole forces c. ionic bonding d. dipole-dipole forces e. hydrogen bonding

Back

CH3OH

Front

In which of the following molecules is hydrogen bonding likely to be the most significant component of the total intermolecular forces? CH4 C5H11OH C6H12 CH3OH CO2

Back

C. not strong enough to keep molecules from moving past each other

Front

In liquids, the attractive intermolecular forces are __________. A. strong enough to hold molecules relatively close together B. strong enough to keep the molecules confined to vibrating about their fixed lattice points C. not strong enough to keep molecules from moving past each other D. strong enough to hold molecules relatively close together but not strong enough to keep molecules from moving past each other

Back

a. water boils at a lower temperature at high altitude than at low altitude

Front

Some things take longer to cook at high altitudes than at low altitudes because __________. a. water boils at a lower temperature at high altitude than at low altitude b. water boils at a higher temperature at high altitude than at low altitude c. heat isn't conducted as well in low density air d. natural gas flames don't burn as hot at high altitudes e. there is a higher moisture content in the air at high altitude

Back

Dispersion forces

Front

. C12 H26 molecules are held together by __________. a. ion-ion interactions b. hydrogen bonding c. ion-dipole interactions d. dipole-dipole interactions e. dispersion forces

Back

melting point

Front

Freezing point is the same as

Back

Kr

Front

Of the following substances, only __________ has London dispersion forces as its only intermolecular force. CH3OCH3 HCHO H2O Kr H2NO3

Back

e. readily evaporates

Front

A volatile liquid is one that __________. a. is highly flammable b. is highly viscous c. is highly hydrogen-bonded d. is highly cohesive e. readily evaporates

Back

phase diagram

Front

Back

Sublimation

Front

A change directly from the solid to the gaseous state without becoming liquid

Back

Polarizability

Front

The ease with which the charge distribution in a molecule can be distorted by an external electrical field is called the __________.

Back

b. directly proportional to one another

Front

Volatility and vapor pressure are __________. a. inversely proportional to one another b. directly proportional to one another c. not related d. the same thing e. both independent of temperature

Back

e. Hydrogen bonding

Front

The predominant intermolecular force in (CH3)2NH is __________. a. London dispersion forces b. ion-dipole forces c. ionic bonding d. dipole-dipole forces e. hydrogen bonding

Back

Viscosity

Front

The resistance to flow

Back

SiH4

Front

Which one of the following should have the lowest boiling point? PH3 H2S HCl SiH4 H2O

Back

e. They flow and are compressible.

Front

Which statement is true about gases but not true about liquids? a. They have high lattice energies b. They are highly ordered and not compressible. c. They have high IMF such that molecules tend to stick together d. They assume the shape of their containers. e. They flow and are compressible.

Back

London dispersion forces

Front

What is the predominant intermolecular force in ammonium? a. London-dispersion forces b. ion-dipole attraction c. ionic bonding d. dipole-dipole attraction e. hydrogen-bonding

Back

CF4

Front

Of the following, __________ is the most volatile. CBr4 CCl4 CF4 CI4 C6H13OH

Back

c. Dipole-dipole attractions

Front

Hydrogen bonding is a special case of __________. a. London-dispersion forces b. ion-dipole attraction c. dipole-dipole attractions d. ion-ion interactions e. none of the above

Back

d. ion-dipole

Front

When NaCl dissolves in water, aqueous Na+ and Cl- ions result. The force of attraction that exists between Na+ and H2O is called a(n) __________ interaction. a. dipole-dipole b. ion-ion c. hydrogen bonding d. ion-dipole e. London dispersion force

Back

b. SF2

Front

Which one of the following exhibits dipole-dipole attraction between molecules? a. XeF4 b. SF2 c. CO2 d. BCl3 e. BCl4

Back

freezing

Front

Of the following, __________ is an exothermic process. a. melting b. subliming c. freezing d. boiling e. All are exothermic.

Back

Deposition

Front

A change directly from the gas to the solid state without becoming liquid

Back

boiling point

Front

Same as the condensation point

Back

b

Front

Crystalline solids __________. a. have their particles arranged randomly b. have highly ordered structures c. are usually very soft d. exist only at high temperatures e. exist only at very low temperatures

Back

solid, gas

Front

The strongest interparticpile attractions exist between particles of a _____and the weakest exists between particles of a _____

Back

H2O

Front

Of the following substances, __________ has the highest boiling point. H2O CO2 CH4 Kr NH3

Back

CH4

Front

Of the following substances, only __________ has London dispersion forces as its only intermolecular force.CH3OH NH3 H2S CH4 HCl

Back

supercritical

Front

Which of the following is not a type of solid? ionic molecular supercritical metallic covalent-network

Back