Advanced Inorganic Chemistry Worksheet - Quiz 2, 2011 Page 2
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71. Answer the following
(a) The bond angle at the central atoms are given in the table below
NH
103.3°
3
PH
93.8°
3
AsH
92.8°
3
SbH
91.3°
3
Explain the trend in the bond angles of the four molecules above./
(b) The bond angle at the central atoms are given in the table below
PH
98.3°
3
PF
97.8°
3
PCl
100.3°
3
PBr
101.0°
3
Explain the trend in the bond angles of the four molecules above./
(c) Describe the basic concept behind the ligand close-packing model describes bond
angles.
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