Chemistry — A-Level

Intermolecular Forces, Electronegativity & Bond Properties — Multiple-Choice Questions (Cambridge International A-Level Chemistry): Exam Questions

9 questions · 9 marks · ≈ 9 min

Guided practice

11 markeasy

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

21 markeasy

Which solid contains more than one type of bonding?

Choose your answer

diamond

ice

iron

sodium chloride

31 markeasy

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

Choose your answer

activation energy

bond dissociation energy

enthalpy change of formation

enthalpy change of vaporisation

41 markmedium

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

Choose your answer

C₂H₅OH (l) $\rightarrow$ C₂H₅OH (g)

C₃H₈ (l) $\rightarrow$ C₃H₈ (s)

CO₂ (l) $\rightarrow$ CO₂ (g)

H₂O (s) $\rightarrow$ H₂O (l)

51 markmedium

Which molecule has the largest dipole moment?

Choose your answer

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61 markmedium

What is the strongest intermolecular force between molecules of serine?

Serine

Serine

Choose your answer

covalent bonding

hydrogen bonding

instantaneous dipole-induced dipole forces

permanent dipole-permanent dipole forces

71 markhard

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?

Choose your answer

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

81 markhard

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

Which compound is liquid Y?

Choose your answer

CH₃CHO

CH₃CO₂CH₃

CH₃COCH₃

CH₃OH

91 markhard

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

iodine

silver

covalent bonds

instantaneous dipole-induced dipole forces

metallic bonds

ionic bonds

metallic bonds

covalent bonds

CHCl₃

Br₂

instantaneous dipole-induced dipole forces only

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

instantaneous dipole-induced dipole forces only

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

instantaneous dipole-induced dipole forces only

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