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A LevelChemistryCambridge (CIE)Exam Questions3. Chemical BondingIntermolecular Forces, Electronegativity & Bond Properties

Intermolecular Forces, Electronegativity & Bond Properties (Cambridge (CIE) A Level Chemistry): Exam Questions

Exam code: 9701

1 hour14 questions

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Intermolecular Forces, Electronegativity & Bond Properties

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11 mark

Silver and iodine are both shiny crystalline solids. 

Which forces exist between neighboring iodine molecules in solid iodine and particles in solid silver?

 

Iodine

Silver

A

Metallic bonds

Covalent bonds

B

Ionic bonds

Metallic

C

Covalent bonds

Covalent bonds

D

Van der Waals’ forces

Metallic

    Choose your answer

    21 mark

    Below are four solids. Which of these contains more than one kind of bonding?

    • Diamond

    • Sodium chloride

    • Iron

    • Ice

    Choose your answer

    31 mark

    Which quantity gives the best indication of the relative strengths of the hydrogen bonds between water molecules in the liquid state?

    • Enthalpy changes of vaporisation

    • Bond dissociation energies

    • Enthalpy of formation

    • Activation energy

    Choose your answer

    11 mark

    Which of the following changes of state shows only dispersion van der Waals’ forces being overcome?

    • C3H6 (l) rightwards arrow C3H6 (s)

    • CO2 (l) rightwards arrow CO2 (g)

    • H2O (s) rightwards arrow H2O (l)

    • C2H5OH (l) rightwards arrow C2H5OH (g)

    Choose your answer

    21 mark

    Which of the following molecules has the biggest overall dipole?

    • 1-3-m-9a
    • 1-3-m-9b
    • 1-3-m-9c
    • 1-3-m-9d

    Choose your answer

    31 mark

    What is the strongest type of intermolecular force exhibited in the amino acid molecule serine?

    Serine

    Serine

    • London dispersion forces 

    • Permanent dipole-dipole forces

    • Hydrogen bonding

    • Covalent bonding

    Choose your answer

    11 mark

    1.00g of propanone is reacted with 5.00g of ethane-1,2-diol and the strong acid benzene sulphonic acid, C6H5SO3H. The mixture is heated under reflux in an inert solvent.

    1-3-h-1

    Which of the following statements is not correct?

    • Propanone has a higher melting point than ethane-1,2-diol

    • Both products are polar molecules

    • Ethane-1,2-diol is soluble in water

    • Water has a higher melting point than liquid Y

    Choose your answer

    21 mark

    Hydrogen bonding occurs between molecules of liquid methanal, HCHO, and molecules of liquid Y. Which of the following is most likely to be liquid Y?

    • CH3CO2CH3

    • CH3OH

    • CH3COCH3

    • CH3CHO

    Choose your answer

    31 mark

    CHCl3 and Br2 are both liquids at room temperature due to the existence of dipoles.

    What dipoles are involved within CHCl3 and Br2? 

     

    CHCl3

    Br2

    A

    Induced dipoles only

    Induced dipoles only

    B

    Induced dipoles only

    Induced dipoles and permanent dipoles

    C

    Induced dipoles and permanent dipoles

    Induced dipoles and permanent dipoles

    D

    Induced dipoles and permanent dipoles

    Induced dipoles only

      Choose your answer