Comparing Lattice Enthalpies (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does a high lattice enthalpy indicate about an ionic compound?
What does a high lattice enthalpy indicate about an ionic compound?
Strong ionic bonding
Which type of ions typically have high lattice enthalpies?
Which type of ions typically have high lattice enthalpies?
Small, highly charged ions
How does decreasing ionic radius affect lattice enthalpy?
How does decreasing ionic radius affect lattice enthalpy?
Increases lattice enthalpy
What effect do higher ionic charges have on lattice enthalpy?
What effect do higher ionic charges have on lattice enthalpy?
Greater lattice enthalpy
What does the perfect ionic model assume about the bonding in ionic compounds?
What does the perfect ionic model assume about the bonding in ionic compounds?
Entirely ionic with no covalent
What shape does the perfect ionic model assume for ions?
What shape does the perfect ionic model assume for ions?
Perfect spheres
Which type of cation can distort an anion to create covalent character?
Which type of cation can distort an anion to create covalent character?
Small, highly charged cation
What is theoretical lattice enthalpy based on?
What is theoretical lattice enthalpy based on?
Perfect ionic model
How is experimental lattice enthalpy obtained?
How is experimental lattice enthalpy obtained?
Born-Haber cycle
When is experimental lattice enthalpy higher than theoretical?
When is experimental lattice enthalpy higher than theoretical?
When covalent character is present