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 18, Problem 18.42SP

(a)

Interpretation Introduction

Interpretation:

The molecular structure of H2Se has to be predicted.

Concept Introduction:

Valence Shell Electron Pair Repulsion Theory:

The shape or structure of a molecule is determined by the repulsion between the entire electrons present in the valence shell.

Bond pairs and lone pairs in the molecule repel each other therefore the electron clouds stay apart as possible to reduce the repulsion and so to increase the stability.

The amount of repulsion can be ordered as follows,

LP-LP>LP-BP>BP-BP

In order to determine the shape, the Lewis diagram must be drawn first.

No.ofelectronpairsBondpairLonepairMolecularstructure220Linear330Trigonalplanar321Bent(Vshaped)440Tetrahedral431Trigonalpyramidal422Bent(Vshaped)

(b)

Interpretation Introduction

Interpretation:

The molecular structure of AsH3 has to be predicted.

Concept Introduction:

Valence Shell Electron Pair Repulsion Theory:

The shape or structure of a molecule is determined by the repulsion between the entire electrons present in the valence shell.

 Bond pairs and lone pairs in the molecule repel each other therefore the electron clouds stay apart as possible to reduce the repulsion and so to increase the stability.

The amount of repulsion can be ordered as follows,

LP-LP>LP-BP>BP-BP

In order to determine the shape, the Lewis diagram must be drawn first.

No.ofelectronpairsBondpairLonepairMolecularstructure220Linear330Trigonalplanar321Bent(Vshaped)440Tetrahedral431Trigonalpyramidal422Bent(Vshaped)

(c)

Interpretation Introduction

Interpretation:

The molecular structure of SiH4 has to be predicted.

Concept Introduction:

Valence Shell Electron Pair Repulsion Theory:

The shape or structure of a molecule is determined by the repulsion between the entire electrons present in the valence shell.

 Bond pairs and lone pairs in the molecule repel each other therefore the electron clouds stay apart as possible to reduce the repulsion and so to increase the stability.

The amount of repulsion can be ordered as follows,

LP-LP>LP-BP>BP-BP

In order to determine the shape, the Lewis diagram must be drawn first.

No.ofelectronpairsBondpairLonepairMolecularstructure220Linear330Trigonalplanar321Bent(Vshaped)440Tetrahedral431Trigonalpyramidal422Bent(Vshaped)

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Chapter 18 Solutions

General Chemistry: Atoms First

Ch. 18.9 - Prob. 18.11PCh. 18.9 - Prob. 18.12CPCh. 18.10 - Prob. 18.13PCh. 18.10 - Prob. 18.14PCh. 18.13 - Prob. 18.15PCh. 18.13 - Prob. 18.16PCh. 18.13 - Prob. 18.17PCh. 18 - Prob. 18.18CPCh. 18 - Look at the location of elements A, B, C, and D in...Ch. 18 - Prob. 18.20CPCh. 18 - Prob. 18.21CPCh. 18 - Prob. 18.22CPCh. 18 - Prob. 18.23CPCh. 18 - Prob. 18.24CPCh. 18 - Prob. 18.25CPCh. 18 - Prob. 18.26CPCh. 18 - Prob. 18.27CPCh. 18 - Prob. 18.28SPCh. 18 - Prob. 18.29SPCh. 18 - Prob. 18.30SPCh. 18 - Prob. 18.31SPCh. 18 - Prob. 18.32SPCh. 18 - Prob. 18.33SPCh. 18 - Prob. 18.34SPCh. 18 - Prob. 18.35SPCh. 18 - Prob. 18.36SPCh. 18 - Prob. 18.37SPCh. 18 - Prob. 18.38SPCh. 18 - Prob. 18.39SPCh. 18 - Prob. 18.40SPCh. 18 - Prob. 18.41SPCh. 18 - Prob. 18.42SPCh. 18 - Prob. 18.43SPCh. 18 - Prob. 18.44SPCh. 18 - Prob. 18.45SPCh. 18 - Prob. 18.46SPCh. 18 - Prob. 18.47SPCh. 18 - Prob. 18.48SPCh. 18 - Prob. 18.49SPCh. 18 - Prob. 18.50SPCh. 18 - Prob. 18.51SPCh. 18 - Prob. 18.52SPCh. 18 - Prob. 18.53SPCh. 18 - Prob. 18.54SPCh. 18 - Prob. 18.55SPCh. 18 - Prob. 18.56SPCh. 18 - Prob. 18.57SPCh. 18 - Prob. 18.58SPCh. 18 - Prob. 18.59SPCh. 18 - Prob. 18.60SPCh. 18 - Prob. 18.61SPCh. 18 - Prob. 18.62SPCh. 18 - Prob. 18.63SPCh. 18 - Prob. 18.64SPCh. 18 - Prob. 18.65SPCh. 18 - Which is more acidic? (a) Cr2O3 or CrO3 (b) N2O5...Ch. 18 - Prob. 18.67SPCh. 18 - Prob. 18.68SPCh. 18 - Write a balanced net ionic equation for the...Ch. 18 - Prob. 18.70SPCh. 18 - Prob. 18.71SPCh. 18 - Prob. 18.72SPCh. 18 - Prob. 18.73SPCh. 18 - What products are formed when the following metals...Ch. 18 - Prob. 18.75SPCh. 18 - Draw MO energy-level diagrams for O2, O2, and O22,...Ch. 18 - Prob. 18.77SPCh. 18 - Prob. 18.78SPCh. 18 - Prob. 18.79SPCh. 18 - Prob. 18.80SPCh. 18 - Prob. 18.81SPCh. 18 - Prob. 18.82SPCh. 18 - Prob. 18.83SPCh. 18 - Prob. 18.84SPCh. 18 - Prob. 18.85SPCh. 18 - Why does boiler scale form when hard water is...Ch. 18 - Prob. 18.87SPCh. 18 - Prob. 18.88SPCh. 18 - Prob. 18.89SPCh. 18 - Prob. 18.90SPCh. 18 - Prob. 18.91SPCh. 18 - Prob. 18.92SPCh. 18 - Prob. 18.93SPCh. 18 - Prob. 18.94CHPCh. 18 - Prob. 18.95CHPCh. 18 - Prob. 18.96CHPCh. 18 - Prob. 18.97CHPCh. 18 - Prob. 18.98CHPCh. 18 - Prob. 18.99CHPCh. 18 - Prob. 18.100CHPCh. 18 - Prob. 18.101CHPCh. 18 - Prob. 18.102CHPCh. 18 - Prob. 18.103CHPCh. 18 - Use the standard heats of formation in Appendix B...Ch. 18 - Prob. 18.105CHPCh. 18 - Prob. 18.106CHPCh. 18 - Prob. 18.107CHPCh. 18 - Prob. 18.108CHPCh. 18 - Prob. 18.109CHPCh. 18 - A boiler with water that contained high...Ch. 18 - Prob. 18.111CHPCh. 18 - Prob. 18.112CHPCh. 18 - Prob. 18.113CHPCh. 18 - Prob. 18.114CHPCh. 18 - Prob. 18.116MPCh. 18 - Prob. 18.117MPCh. 18 - Prob. 18.118MPCh. 18 - Prob. 18.120MPCh. 18 - Prob. 18.121MPCh. 18 - Prob. 18.122MPCh. 18 - Prob. 18.123MP
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