International ASChemistryEdexcelExam Questions2. Energetics, Group Chemistry, Halogenoalkanes and Alcohols2.2 Intermolecular Forces

Intermolecular Forces (Edexcel International AS Chemistry)

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2.2 Intermolecular Forces

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2.2 Intermolecular Forces

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11 mark

Which of these pure compounds has hydrogen bonding in the liquid state?

  • 1,1,1-trichloroethane, CH3CCl3

  • trimethylamine, (CH3)3N

  • hydrogen fluoride, HF

  • hydrogen sulfide, H2S

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21 mark

Which of these isomers has the highest boiling temperature?

q6-paper-2-oct-2021-edexcel-ial-chemistry

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    31 mark
    b)
    Which of these alkanes has the lowest boiling temperature?

    (1)

    q8b-paper-2-jan-2022-edexcel-ial-chemistry

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      11 mark

      Which of these isomers with the formula C8H18 has the lowest boiling temperature?

      • CH3CH(CH3)CH2CH2CH(CH3)CH3

      • CH3CH(CH3)CH2CH2CH2CH2CH3   

      • CH3C(CH3)2CH2CH(CH3)CH3

      • CH3CH2CH2CH2CH2CH2CH2CH3

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      21 mark

      Which sequence shows the molecules in order of increasing boiling temperature?

      • H2O < Br2 < Cl2 < CH4

      • Br2 < CH4 < Cl2 < H2O

      • Cl2 < CH4 < H2O < Br2

      • CH4 < Cl2 < Br2 < H2O

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      31 mark

      The viscosities of four liquid organic compounds are compared by placing the liquids in separate identical tubes, each with an air bubble at the top.

      q5-paper-2-jan-2021-edexcel-ial-chemistry

      The tubes are inverted, and the times measured for the air bubble to travel the length of the tube.
      For which compound does the air bubble take the longest time?

      q5-2-paper-2-jan-2021-edexcel-ial-chemistry

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        41 mark

        Which is not correct about ice?

        • ice has a lower density than water

        • H2O molecules are further apart in ice than in water

        • the H−O−H bond angle is the same in ice and in water

        • H2O molecules in ice are held together by hydrogen bonds

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        51 mark

        Which intermolecular forces exist between the molecules of the compound shown?

        q7-paper-2-jan-2022-edexcel-ial-chemistry

        • hydrogen bonding and London forces only

        • hydrogen bonding and permanent dipole‐permanent dipole forces only

        • London forces and permanent dipole‐permanent dipole forces only

        • hydrogen bonding, permanent dipole‐permanent dipole forces and London forces

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        6
        Sme Calculator        1 mark

        Which solvent dissolves the greatest amount of hydrocarbon C35H72?

        • butan‐1‐ol

        • ethanoic acid

        • hexane

        • water

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        71 mark

        Which row shows the hydrogen halides in order of increasing boiling temperature?

              Lowest                rightwards arrow for blank of                Highest
          ☐ A HF HCl HBr HI
          ☐ B HI HBr HCl HF
          ☐ C HCl HBr HI HF
          ☐ D HF HI HBr HCl

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