VSEPR - Bonding and Molecular Geometry

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SUMMARY

The discussion focuses on VSEPR theory as it relates to bonding and molecular geometry, specifically addressing the electron pair geometry and polarity of various molecules. The electron pair geometries identified include linear for SCN− and BeCl2, and trigonal planar for O3. The polarity assessments conclude that NO2+ and ClO2− are ionic, while XeF2 is nonpolar due to its linear and symmetric structure, which results in no dipole moment. Additionally, bond angles for ClF2+, HCN, and SO2 are specified as 109°, 180°, and 120°, respectively.

PREREQUISITES
  • Understanding of VSEPR theory
  • Familiarity with molecular geometry concepts
  • Knowledge of polarity in molecules
  • Basic grasp of bond angles and their significance
NEXT STEPS
  • Study VSEPR theory in detail
  • Learn about molecular polarity and dipole moments
  • Explore bond angle variations in different molecular geometries
  • Investigate the properties of ionic versus covalent compounds
USEFUL FOR

Chemistry students, educators, and professionals interested in molecular geometry, bonding theories, and the properties of various chemical compounds.

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Homework Statement


What is the electron pair geometry of the following?
SCN−
BeCl2
O3

The Attempt at a Solution


SCN− Linear
BeCl2 Linear
O3 Trigonal Planar


Homework Statement


Would the following structures be polar or nonpolar? (Not applicable if the structure is an ion. Pick "ionic" in that case).
NO2+
XeF2
ClO2−

The Attempt at a Solution


NO2+ ionic
XeF2 nonpolar
ClO2− ionic


Homework Statement


What is the bond angle at the central atom of the following?
ClF2+
HCN
SO2

The Attempt at a Solution


ClF2+ 109
HCN 180
SO2 120
 
Physics news on Phys.org
O3 is linear
 
Can you explain? Isn't there a lone pair in the center Oxygen atom?

IMG00007.GIF
 
Of course you are right, sorry. Was thinking in another question.
 
dextercioby said:
How's XeF2 nonpolar ?

It is linear and symmetric, so can't have a dipole moment.
 

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