Intermolecular Forces (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is the typical strength range of hydrogen bonding compared to a single covalent bond?
What is the typical strength range of hydrogen bonding compared to a single covalent bond?
10-40 kJ mol⁻¹ vs 150-500 kJ mol⁻¹
Which list shows intermolecular forces in order of increasing strength?
Which list shows intermolecular forces in order of increasing strength?
London forces, dipole-dipole, H-bonding
Which statement about London forces is correct?
Which statement about London forces is correct?
They exist between all molecules
What mainly determines the strength of London forces between molecules?
What mainly determines the strength of London forces between molecules?
Number of electrons
Why does argon (18 electrons) have a higher boiling point than neon (10 electrons)?
Why does argon (18 electrons) have a higher boiling point than neon (10 electrons)?
Argon has stronger London forces
What intermolecular forces do polar molecules experience?
What intermolecular forces do polar molecules experience?
Both London forces and dipole-dipole
Why does HCl (18e⁻, -85°C) boil higher than (18e⁻, -220°C)?
Why does HCl (18e⁻, -85°C) boil higher than (18e⁻, -220°C)?
HCl has additional dipole-dipole forces
Why do simple molecular substances have low melting and boiling points?
Why do simple molecular substances have low melting and boiling points?
Only weak intermolecular forces break
In which solvent would non-polar iodine dissolve best?
In which solvent would non-polar iodine dissolve best?
Non-polar hexane
Why don't simple molecular substances conduct electricity?
Why don't simple molecular substances conduct electricity?
No mobile charged particles present