Molecular Geometry
Chemistry ⇒ Chemical Bonding and Structure
Molecular Geometry starts at 11 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Molecular Geometry.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
Describe the difference between electron domain geometry and molecular geometry.
Describe the effect of increasing the number of lone pairs on the central atom on the bond angles in a molecule.
Describe the steps to determine the molecular geometry of a molecule using VSEPR theory.
Explain why CO2 is a linear molecule while SO2 is bent.
Explain why the bond angle in H2O is less than the bond angle in NH3.
Explain why the geometry of CH4 is tetrahedral and not square planar.
How many bonding pairs and lone pairs are present on the central atom in the molecule SF4?
Consider the following scenario: A scientist is analyzing a molecule with the formula AB3 and finds that all bond angles are exactly 120°. What can be inferred about the presence of lone pairs on the central atom and the molecular geometry?
Which of the following best describes the geometry of BF3?
(1) Linear
(2) Trigonal planar
(3) Tetrahedral
(4) Bent
Which of the following molecules has a bent geometry due to the presence of one lone pair on the central atom?
(1) SO2
(2) CO2
(3) CH4
(4) BF3
Which of the following molecules has a bent molecular geometry?
(1) CO2
(2) H2O
(3) BeCl2
(4) CH4
Which of the following molecules has a linear geometry due to the presence of three lone pairs on the central atom?
(1) XeF2
(2) SF4
(3) PF5
(4) NH3
Fill in the blank: The bond angle in a perfect linear molecule is ________.
Fill in the blank: The bond angle in a perfect octahedral molecule is ________.
Fill in the blank: The molecular geometry of ICl3 is ________.
Fill in the blank: The molecular geometry of PF5 is ________.
True or False: Lone pairs occupy more space than bonding pairs in a molecule.
True or False: The bond angle in NH3 is exactly 109.5°.
True or False: The geometry of CH4 is tetrahedral.
True or False: The molecular geometry of SF6 is octahedral.
