Molecular Geometry
Chemistry ⇒ Chemical Bonding and Structure
Molecular Geometry starts at 11 and continues till grade 12.
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A molecule has five electron domains: three bonding pairs and two lone pairs. What is its molecular geometry?
A molecule has four electron domains: two 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 two bonding pairs and two lone pairs on the central atom. 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 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 nonpolar molecule even though it contains polar bonds.
Which molecule has a trigonal bipyramidal molecular geometry?
(1) PCl5
(2) SF6
(3) XeF4
(4) CH4
Which of the following best describes the electron domain geometry of NH3?
(1) Linear
(2) Trigonal planar
(3) Tetrahedral
(4) Trigonal bipyramidal
Which of the following molecules has a bent geometry due to two lone pairs on the central atom?
(1) H2O
(2) SO2
(3) CO2
(4) BF3
Which of the following molecules has a bond angle closest to 104.5 degrees?
(1) H2O
(2) NH3
(3) CH4
(4) CO2
The bond angle in a perfect tetrahedral molecule is ______ degrees.
The molecular geometry of PF5 is ______.
The presence of lone pairs on the central atom generally ______ the bond angle compared to the ideal geometry.
The VSEPR theory is used to predict ______.
True or False: In a molecule with three bonding pairs and one lone pair on the central atom, the molecular geometry is trigonal pyramidal.
True or False: Lone pairs occupy more space than bonding pairs in a molecule.
True or False: The bond angle in a perfect octahedral molecule is 90 degrees.
True or False: The electron domain geometry and molecular geometry are always the same.
