Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
8th Edition
ISBN: 9780134421377
Author: Charles H Corwin
Publisher: PEARSON
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Chapter 12, Problem 75E
Interpretation Introduction
Interpretation:
Using VSEPR theory, Electron pair geometry, the molecular shape, and the bond angle for a hydrogen sulfide molecule,
Concept introduction:
VSEPR theory is an important model that is frequently used in chemistry to decide the shape and geometry of the molecules. VSEPR model is the extension of the Lewis model. As the Lewis model is not able to explain the shape of the molecules. In terms of electron density, it is given that both the bonding electrons as well as lone pair of electrons hold the shape of the molecule.
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AG/F-2° V
3. Before proceeding with this problem you may want to glance at p. 466 of your textbook
where various oxo-phosphorus derivatives and their oxidation states are summarized.
Shown below are Latimer diagrams for phosphorus at pH values at 0 and 14:
-0.93
+0.38
-0.50
-0.51 -0.06
H3PO4 →H4P206 →H3PO3 →→H3PO₂ → P → PH3
Acidic solution
Basic solution
-0.28
-0.50
3--1.12
-1.57
-2.05 -0.89
PO HPO H₂PO₂ →P → PH3
-1.73
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(3 points)
0.5
PH
P
0.0
-0.5
-1.0-
-1.5-
-2.0
H.PO,
-2.3+
-3 -2
-1
1
2
3
2
H,PO,
b) Frost diagram for phosphorus under acidic
conditions is shown. Identify possible
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write out chemical equations describing them. (2 points)
H,PO
4
S
Oxidation stale, N
4. For the following complexes, draw the structures and give a d-electron count of the
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c) Potassium diamminetetrabromocobaltate(III)
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Fe3+ (aq) + e
= Fe²+ (aq)
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Chapter 12 Solutions
Introductory Chemistry: Concepts and Critical Thinking (8th Edition)
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