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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1
1 mark

Silver and iodine are both crystalline solids.

Which row gives the forces between the particles in solid iodine and in solid silver?

iodine

silver

A

covalent bonds

covalent bonds

B

instantaneous dipole-induced dipole forces

metallic bonds

C

ionic bonds

metallic bonds

D

metallic bonds

covalent bonds

    Choose your answer

    2
    1 mark

    Which solid contains more than one type of bonding?

    • diamond

    • ice

    • iron

    • sodium chloride

    Choose your answer

    3
    1 mark

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

    • activation energy

    • bond dissociation energy

    • enthalpy change of formation

    • enthalpy change of vaporisation

    Choose your answer

    1
    1 mark

    Which change of state involves only instantaneous dipole-induced dipole forces being overcome?

    • C2H5OH (l) \rightarrow C2H5OH (g)

    • C3H8 (l) \rightarrow C3H8 (s)

    • CO2 (l) \rightarrow CO2 (g)

    • H2O (s) \rightarrow H2O (l)

    Choose your answer

    2
    1 mark

    Which molecule has the largest dipole moment?

    • Structural diagram of 1,1-dichlorobut-1-ene, with both chlorine atoms attached to the same carbon of the carbon-carbon double bond
    • Structural diagram of a C~4~H~6~Cl~2~ isomer with chlorine atoms at different positions on the carbon skeleton
    • Structural diagram of a C~4~H~6~Cl~2~ isomer with chlorine atoms at different positions on the carbon skeleton
    • Structural diagram of a C~4~H~6~Cl~2~ isomer with chlorine atoms at different positions on the carbon skeleton

    Choose your answer

    3
    1 mark

    What is the strongest intermolecular force between molecules of serine?

    Serine

    Serine

    • covalent bonding

    • hydrogen bonding

    • instantaneous dipole-induced dipole forces

    • permanent dipole-permanent dipole forces

    Choose your answer

    1
    1 mark

    Propanone reacts with ethane-1,2-diol to form a cyclic acetal, liquid Y, and water.

    Reaction scheme showing propanone reacting with ethane-1,2-diol in the presence of acid catalyst to form a cyclic acetal and water

    Which statement is not correct?

    • both products are polar molecules

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

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

    • water has a higher melting point than liquid Y

    Choose your answer

    2
    1 mark

    Hydrogen bonding occurs between molecules of liquid methanal, HCHO, and molecules of liquid Y.

    Which compound is liquid Y?

    • CH3CHO

    • CH3CO2CH3

    • CH3COCH3

    • CH3OH

    Choose your answer

    3
    1 mark

    Which row gives the intermolecular forces present in liquid CHCl3 and in liquid Br2?

    CHCl3

    Br2

    A

    instantaneous dipole-induced dipole forces only

    instantaneous dipole-induced dipole and permanent dipole-permanent dipole forces

    B

    instantaneous dipole-induced dipole forces only

    instantaneous dipole-induced dipole forces only

    C

    instantaneous dipole-induced dipole and permanent dipole-permanent dipole forces

    instantaneous dipole-induced dipole forces only

    D

    instantaneous dipole-induced dipole and permanent dipole-permanent dipole forces

    instantaneous dipole-induced dipole and permanent dipole-permanent dipole forces

      Choose your answer