Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN: 9781285199047
Author: John W. Moore, Conrad L. Stanitski
Publisher: Cengage Learning
Question
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Chapter 6, Problem 47QRT

(a)

Interpretation Introduction

Interpretation:

The bond type for each bond in POF3 has to be determined using Lewis structure and a formal charge.

Concept Introduction:

Lewis structure is also known as Lewis dot diagrams or electron dot structures.  The bond between atoms and lone pairs of electrons that is present in the molecule.  Lewis structure represents each atom and their position in structure using the chemical symbol.  Excess electrons forms the lone pair are given by pair of dots, and are located next to the atom.

The formula for the formal charge can be written as

  Formalcharge=Valenceelectrons-lonepairelectrons-Bondingelectrons2

(a)

Expert Solution
Check Mark

Explanation of Solution

The correct Lewis structure of the POF3 can be drawn as,

Chemistry: The Molecular Science, Chapter 6, Problem 47QRT , additional homework tip  1

Draw a chart:

  ONClP O FValenceelectrons567Lonepairelectrons046Bondingelectrons1042Formalcharge000_¯¯

The total number of valence electron is 32.

Chemistry: The Molecular Science, Chapter 6, Problem 47QRT , additional homework tip  2

The phosphorous atom has three single bonds and one double bond; both fluorine and oxygen have a one single bond.  All atoms in POF3 has zero formal charge.

The bond between P-F is single bond and the bond between P=O is a double bond. 

(b)

Interpretation Introduction

Interpretation:

The bond type for each bond in SOF3 has to be determined using Lewis structure and a formal charge.

Concept Introduction:

Refer part (a).

(b)

Expert Solution
Check Mark

Explanation of Solution

The correct Lewis structure of the SOF3 can be drawn as,

Chemistry: The Molecular Science, Chapter 6, Problem 47QRT , additional homework tip  3

Draw a chart:

   S O FValenceelectrons667Lonepairelectrons046Bondingelectrons1242Formalcharge000_¯¯

The total number of valence electron is 40.

Chemistry: The Molecular Science, Chapter 6, Problem 47QRT , additional homework tip  4

The sulfur atom has four single bonds and one double bond; all fluorine has a one single bond, oxygen has double bond.  All atoms in SOF3 has zero formal charge.

The bond between S-F is single bond and the bond between S=O is a double bond. 

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Chapter 6 Solutions

Chemistry: The Molecular Science

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