
Concept explainers
(b)
Interpretation:
The VSEPR formula of
Concept Introduction:
Valence Shell Electron Pair Repulsion model predicts shape by inclusion of bond angles and most distant arrangement of atoms that leads to minimum repulsion. For molecules that have lone pairs around central atom, lone pairs influence shape, because there are no atoms at the positions occupied by these lone pairs. The key rule that governs the molecular shape, in this case, is the extent of lone –lone pair repulsions are far greater than lone bond pair or bond pair-bond pair repulsions. The table that summarized the molecular shapes possible for various combinations of bonded and lone pairs are given as follows:
(b)
Interpretation:
The electron arrangement of
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The shape of
Concept Introduction:
Refer to part (a).

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Chapter 2 Solutions
Chemical Principles: The Quest for Insight
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