VSEPR Theory
Chemistry ⇒ Chemical Bonding and Structure
VSEPR Theory starts at 11 and continues till grade 12.
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See sample questions for grade 12
A molecule has five electron domains: three bonding pairs and two lone pairs. What is its molecular geometry?
A molecule has six electron domains: four bonding pairs and two lone pairs. What is its molecular geometry?
A molecule has three electron domains: two bonding pairs and one lone pair. What is its molecular geometry?
Describe the difference between electron domain geometry and molecular geometry.
Describe the effect of increasing the number of lone pairs on the bond angles in a molecule.
Describe the steps to determine the molecular geometry of a molecule using VSEPR theory.
Explain why PF5 is able to have more than eight electrons around the central atom.
Explain why the bond angle in H2O is less than 109.5°.
Explain why the bond angle in SO2 is less than 120°.
Explain why the bond angles in NH3 are less than those in CH4.
How many bonding pairs and lone pairs are present on the central atom in IF5?
How many electron domains are around the central atom in NH3?
How many electron domains are around the central atom in SF4?
How many electron domains are present in the carbonate ion (CO32−)?
How many lone pairs are present on the central atom in XeF2?
State the bond angles expected in a molecule with trigonal planar geometry.
State the electron domain geometry and molecular geometry of BF3.
State the electron domain geometry and molecular geometry of SF6.
What does VSEPR stand for?
What is the bond angle between the axial and equatorial positions in a trigonal bipyramidal geometry?
