General Chemistry: Atoms First
General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Chapter 5, Problem 5.25SP

(a)

Interpretation Introduction

Interpretation:

The shape for the molecules with a central atom with two lone pairs and three bonds to other atoms has to be determined.

Concept introduction:

VSEPR theory:

  • Using VSEPR theory, the exact geometry of a molecule can be obtained.
  • In VSEPR, the geometry of the molecule is explained based on minimizing electrostatic repulsion between the molecules’ valence electrons around a central atom
  • Bond angle is the angle between two bonds of a molecule and it is determined based on the electron-domain geometry.

    [Bond angles: tetrahedral = 109.5o, trigonal planar = 120o, T-shape = 90o]

Rules to predict the shapes of molecules by VSEPR model:

  • Write electron-dot structure of the given molecule.
  • Count the number of electron charge clouds surrounding the central atom.
  • Determine the geometric arrangement of charge clouds surround the each atom and assume its charge clouds can be oriented in the space as far away from one to another as possible.

(b)

Interpretation Introduction

Interpretation:

The shape for the molecules with a central atom with two lone pairs and two bonds to other atoms has to be determined.

Concept introduction:

VSEPR theory:

  • Using VSEPR theory, the exact geometry of a molecule can be obtained.
  • In VSEPR, the geometry of the molecule is explained based on minimizing electrostatic repulsion between the molecules’ valence electrons around a central atom
  • Bond angle is the angle between two bonds of a molecule and it is determined based on the electron-domain geometry.

    [Bond angles: tetrahedral = 109.5o, trigonal planar = 120o, T-shape = 90o]

Rules to predict the shapes of molecules by VSEPR model:

  • Write electron-dot structure of the given molecule.
  • Count the number of electron charge clouds surrounding the central atom.
  • Determine the geometric arrangement of charge clouds surround the each atom and assume its charge clouds can be oriented in the space as far away from one to another as possible.

(c)

Interpretation Introduction

Interpretation:

The shape for the molecules with a central atom with two lone pairs and four bonds to other atoms has to be determined.

Concept introduction:

VSEPR theory:

  • Using VSEPR theory, the exact geometry of a molecule can be obtained.
  • In VSEPR, the geometry of the molecule is explained based on minimizing electrostatic repulsion between the molecules’ valence electrons around a central atom
  • Bond angle is the angle between two bonds of a molecule and it is determined based on the electron-domain geometry.

    [Bond angles: tetrahedral = 109.5o, trigonal planar = 120o, T-shape = 90o]

Rules to predict the shapes of molecules by VSEPR model:

  • Write electron-dot structure of the given molecule.
  • Count the number of electron charge clouds surrounding the central atom.
  • Determine the geometric arrangement of charge clouds surround the each atom and assume its charge clouds can be oriented in the space as far away from one to another as possible.

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Chapter 5 Solutions

General Chemistry: Atoms First

Ch. 5.4 - Identify each of the following sets of hybrid...Ch. 5.4 - The following ball-and-stick molecular model is a...Ch. 5.5 - Construct an MO diagram for the He2+ ion. Is this...Ch. 5.6 - The B2 and C2 molecules have MO diagrams similar...Ch. 5.7 - Draw two electron-dot resonance structures for the...Ch. 5.7 - Why is molecular shape so important in biological...Ch. 5.7 - Prob. 5.17CPCh. 5 - What is the geometry around the central atom in...Ch. 5 - Prob. 5.19CPCh. 5 - Prob. 5.20CPCh. 5 - Prob. 5.21CPCh. 5 - Prob. 5.22CPCh. 5 - Prob. 5.23CPCh. 5 - Prob. 5.24SPCh. 5 - Prob. 5.25SPCh. 5 - Prob. 5.26SPCh. 5 - How many charge clouds are there around central...Ch. 5 - Prob. 5.28SPCh. 5 - Prob. 5.29SPCh. 5 - What shape do you expect for each of the following...Ch. 5 - Prob. 5.31SPCh. 5 - Prob. 5.32SPCh. 5 - Prob. 5.33SPCh. 5 - What bond angles do you expect for each of the...Ch. 5 - Prob. 5.35SPCh. 5 - Prob. 5.36SPCh. 5 - Prob. 5.37SPCh. 5 - Prob. 5.38SPCh. 5 - A potential replacement for the chlorofluorocarbon...Ch. 5 - Prob. 5.40SPCh. 5 - Prob. 5.41SPCh. 5 - Prob. 5.42SPCh. 5 - Prob. 5.43SPCh. 5 - What hybridization do you expect for atoms that...Ch. 5 - Prob. 5.45SPCh. 5 - Prob. 5.46SPCh. 5 - What hybridization would you expect for the...Ch. 5 - Prob. 5.48SPCh. 5 - Prob. 5.49SPCh. 5 - Prob. 5.50SPCh. 5 - Prob. 5.51SPCh. 5 - Prob. 5.52SPCh. 5 - Prob. 5.53SPCh. 5 - Prob. 5.54SPCh. 5 - Prob. 5.55SPCh. 5 - Prob. 5.56SPCh. 5 - Prob. 5.57SPCh. 5 - Prob. 5.58SPCh. 5 - Prob. 5.59SPCh. 5 - Prob. 5.60SPCh. 5 - Prob. 5.61SPCh. 5 - Prob. 5.62CHPCh. 5 - The following molecular model is a representation...Ch. 5 - Prob. 5.64CHPCh. 5 - Prob. 5.65CHPCh. 5 - Prob. 5.66CHPCh. 5 - Prob. 5.67CHPCh. 5 - Calcium carbide, CaC2, reacts with water to...Ch. 5 - Prob. 5.69CHPCh. 5 - The N2O5 molecule has six NO bonds and two NO ...Ch. 5 - In the cyanate ion, OCN, carbon is the central...Ch. 5 - Aspirin has the following connections among atoms....Ch. 5 - Prob. 5.73CHPCh. 5 - At high temperatures, sulfur vapor is...Ch. 5 - Carbon monoxide is produced by incomplete...Ch. 5 - Prob. 5.76CHPCh. 5 - Prob. 5.77CHPCh. 5 - Prob. 5.78CHPCh. 5 - The diatomic cyanide ion (CN) and nitrosonium ion...Ch. 5 - Prob. 5.80MPCh. 5 - Prob. 5.81MPCh. 5 - Prob. 5.82MP
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