Lesson 2A.4
2A.4 Intermolecular forces and anomalous properties of water Quiz: Pearson Edexcel Chemistry, Unit 2
20 questions
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Lesson 2A.4, Intermolecular forces and anomalous properties of water: 20 multiple choice questions for the Pearson Edexcel Chemistry (9CH0), Unit 2: Bonding and Structure, written with Revision Ninja.
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The 20 questions
-
Which intermolecular force is present in all molecular substances?
- Permanent dipole forces
- London forces
- Hydrogen bonds
- Ionic bonds
-
Which substance can form hydrogen bonds between its molecules?
- Hydrogen sulfide
- Hydrogen chloride
- Ammonia
- Methane
-
Which intermolecular force is responsible for water's unusually high boiling temperature compared to H2S?
- London forces
- Metallic bonding
- Ionic bonding
- Hydrogen bonding
-
What is the structural reason why ice is less dense than liquid water?
- Random arrangement
- Ionic grid
- Compact packing
- Open lattice
-
Why do boiling temperatures of straight-chain alkanes increase with chain length?
- Hydrogen bonds form
- Stronger London forces
- Increased polarity
- Stronger covalent bonds
-
What effect does increased branching have on the boiling temperature of an alkane?
- No effect
- Eliminates boiling
- Increases it
- Decreases it
-
Why are alcohols significantly less volatile than alkanes of similar relative molecular mass?
- Hydrogen bonding
- Higher polarity only
- Ionic interactions
- Weaker London forces
-
Which intermolecular force present in hydrogen fluoride is absent in hydrogen chloride?
- Hydrogen bonding
- Covalent bonding
- London forces
- Dipole-dipole forces
-
Which compound has the highest boiling temperature?
- Butane
- Propan-1-ol
- 2-methylbutane
- Pentane
-
Which isomer of pentane has the lowest boiling temperature?
- 2-methylbutane
- 2,2-dimethylpropane
- Pentane
- Butane
-
Can dimethyl ether molecules form hydrogen bonds with each other?
- Only when heated
- Only in solution
- No
- Yes
-
Which molecule can form hydrogen bonds with water?
- CH3Cl
- CH4
- CH3OH
- CH3CH3
-
What intermolecular force gives ammonia a higher boiling point than phosphine?
- Metallic bonding
- Permanent dipole
- Hydrogen bonding
- Ionic bonding
-
What type of intermolecular force allows methanol to dissolve in water much better than halogenoalkanes?
- Covalent bonding
- London forces
- Permanent dipole-dipole
- Hydrogen bonding
-
Which intermolecular force causes boiling temperatures to increase from hydrogen chloride to hydrogen iodide?
- Hydrogen bonds
- Metallic bonding
- Ionic bonding
- London forces
-
Which intermolecular force causes ethanol to have a higher boiling temperature than ethane?
- Ionic bonding
- Dative covalent bonds
- Hydrogen bonding
- Permanent dipoles
-
Which factor is most important when predicting the boiling temperature of a molecular liquid?
- Nuclear charge
- Covalent bond length
- Intermolecular force strength
- Molecular mass alone
-
What keeps water liquid at room temperature while hydrogen sulphide is a gas?
- Ionic lattices
- London forces
- Hydrogen bonding
- Permanent dipoles
-
Which molecule has the lowest boiling temperature?
- Butane, C4H10
- Ethane, C2H6
- Propane, C3H8
- Methane, CH4
-
Which hydrogen halide has the highest boiling temperature?
- HCl
- HBr
- HF
- HI
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