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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a lone pair?
💡 Hint: Think about where electrons of a central atom can be found.
Question 2
Easy
Define molecular geometry.
💡 Hint: Consider how atoms are positioned in space.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What effect does a lone pair have on bond angles?
- They increase them
- They decrease them
- They do not affect them
💡 Hint: Think about the repulsion strength between pairs.
Question 2
True or False: Lone pairs only affect the ideal geometry of molecules.
- True
- False
💡 Hint: Consider their role in molecular structure.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a hypothetical molecule XYZ₂ that has two bonding pairs and one lone pair on the central atom. Describe its molecular shape and predict the bond angle.
💡 Hint: Use VSEPR theory to analyze the electron domains.
Question 2
Analyze a molecule with three bonding pairs and two lone pairs (such as ICl₄⁻). What would its molecular geometry and bond angles look like?
💡 Hint: Assess how the lone pairs affect the overall structure.
Challenge and get performance evaluation