Practice Examples With 4 Electron Domains (illustrating Lone Pair Effects) (3.2.3.1)

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the molecular geometry of methane?
Show hintHide hint
Think about the number of bonding pairs.
Question 2.
In ammonia, how many lone pairs does nitrogen have?
Show hintHide hint
Consider the electron domains around nitrogen.
3Question 3.
What is the molecular geometry of NH3?
- Tetrahedral
- Trigonal Pyramidal
- Bent
Show hintHide hint
Remember how lone pairs influence geometry.
4Question 4.
True or False: Water (H2O) has a linear geometry.
- True
- False
Show hintHide hint
Consider the number of lone pairs.
Question 5.
Predict the effect of adding a second lone pair to the nitrogen in ammonia. How would this impact geometry and bond angles?
Show hintHide hint
Consider how additional lone pairs affect molecular shapes.
Question 6.
Compare and contrast the physical properties of ammonia and water, focusing on molecular shape and intermolecular forces.
Show hintHide hint
How do shapes affect the strength of intermolecular forces?

4 more questions in this section. Enroll free to practise them all.