Dipole-Dipole Forces (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of forces are dipole-dipole forces?
What type of forces are dipole-dipole forces?
Intermolecular forces
Between which type of molecules do dipole-dipole forces occur?
Between which type of molecules do dipole-dipole forces occur?
Polar molecules only
How does the strength of dipole-dipole forces compare to other forces?
How does the strength of dipole-dipole forces compare to other forces?
Weaker than ionic, stronger than London
Which elements must hydrogen be bonded to for hydrogen bonding to occur?
Which elements must hydrogen be bonded to for hydrogen bonding to occur?
N, O, or F only
What is the strength of a hydrogen bond compared to a covalent bond?
What is the strength of a hydrogen bond compared to a covalent bond?
Approximately 10%
What is the boiling point of water ()?
What is the boiling point of water ()?
100°C
Why is hydrogen bonding stronger than regular dipole-dipole forces?
Why is hydrogen bonding stronger than regular dipole-dipole forces?
H is small; N, O, F highly electronegative
What holds the DNA double helix structure together?
What holds the DNA double helix structure together?
Hydrogen bonds between base pairs
Which solubility rule applies to polar and non-polar substances?
Which solubility rule applies to polar and non-polar substances?
Like dissolves like
What is a key characteristic distinguishing dipole-dipole from London forces?
What is a key characteristic distinguishing dipole-dipole from London forces?
Directional nature
Why doesn't methane () dissolve in water?
Why doesn't methane () dissolve in water?
It's non-polar; can't form strong bonds
What gives Kevlar its incredible strength?
What gives Kevlar its incredible strength?
Extensive hydrogen bonding