Videos
(a)
Interpretation:
The shape of the given compound is needed to be predicted.
Concept introduction:
Molecular shape can be predicted from the Lewis structure by using the valence-shell Electron-pair repulsion (VSEPR) model.
-Count the number of valence electron pairs (bond pairs and lone pairs).
-Assume that the valence electron pairs form a structure that allows them to be as far away from each other as possible.
-If there are only two bond pair electrons, the molecule is linear.
-If there are three bond pair electrons, the molecule is shaped like a trigonal planar.
-If there are four bond pair electrons, the molecule is shaped as a regular tetrahedral.
- Repulsion between lone pair-bond pair of electrons effect the geometry of molecules.
(b)
Interpretation:
The shape of the given compound is needed to be predicted.
Concept introduction:
Molecular shape can be predicted from the Lewis structure by using the valence-shell Electron-pair repulsion (VSEPR) model.
- Count the number of valence electron pairs (bond pairs and lone pairs).
-Assume that the valence electron pairs form a structure that allows them to be as far away from each other as possible.
-If there are only two bond pair electrons, the molecule is linear.
-If there are three bond pair electrons, the molecule is shaped like a trigonal planar.
-If there are four bond pair electrons, the molecule is shaped as a regular tetrahedral.
- Repulsion between lone pair-bond pair of electrons effect the geometry of molecules.
(c)
Interpretation:
The shape of the given compound is needed to be predicted.
Concept introduction:
Molecular shape can be predicted from the Lewis structure by using the valence-shell Electron-pair repulsion (VSEPR) model.
- Count the number of valence electron pairs (bond pairs and lone pairs).
-Assume that the valence electron pairs form a structure that allows them to be as far away from each other as possible.
-If there are only two bond pair electrons, the molecule is linear.
-If there are three bond pair electrons, the molecule is shaped like a trigonal planar.
-If there are four bond pair electrons, the molecule is shaped as a regular tetrahedral.
- Repulsion between lone pair-bond pair of electrons effect the geometry of molecules.
(d)
Interpretation:
The shape of the given compound is needed to be predicted.
Concept introduction:
Molecular shape can be predicted from the Lewis structure by using the valence-shell Electron-pair repulsion (VSEPR) model.
- Count the number of valence electron pairs (bond pairs and lone pairs).
-Assume that the valence electron pairs form a structure that allows them to be as far away from each other as possible.
-If there are only two bond pair electrons, the molecule is linear.
-If there are three bond pair electrons, the molecule is shaped like a trigonal planar.
-If there are four bond pair electrons, the molecule is shaped as a regular tetrahedral.
- Repulsion between lone pair-bond pair of electrons effect the geometry of molecules.
(e)
Interpretation:
The shape of the given compound is needed to be predicted.
Concept introduction:
Molecular shape can be predicted from the Lewis structure by using the valence-shell Electron-pair repulsion (VSEPR) model.
- Count the number of valence electron pairs (bond pairs and lone pairs).
-Assume that the valence electron pairs form a structure that allows them to be as far away from each other as possible.
-If there are only two bond pair electrons, the molecule is linear.
-If there are three bond pair electrons, the molecule is shaped like a trigonal planar.
-If there are four bond pair electrons, the molecule is shaped as a regular tetrahedral.
- Repulsion between lone pair-bond pair of electrons effect the geometry of molecules.
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Chapter 4 Solutions
Fundamentals of General, Organic, and Biological Chemistry (8th Edition)
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