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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 5, Problem 31E
Textbook Problem
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CF 2 Cl 2 is a chlorofluorocarbon implicated in ozone depletion. Draw a Lewis structure for CF 2 Cl 2 , determine its geometry, and determine whether the molecule is polar. (Carbon is the central atom.)

Interpretation Introduction

Interpretation:

The Lewis structure for CF2Cl2 is to be drawn, and the geometry and polarity of CF2Cl2 are to be predicted.

Concept Introduction:

According to the Lewis theory, in covalent bonding, atoms share their electrons. The steps for drawing a covalent Lewis structure are as follows:

Write the skeletal structure of the molecule.

Add the number of valence electrons of each of the atoms in the molecule to determine the total number of electrons in the molecule.

Place the electrons by dots to complete the octets of the atoms.

If the central atom has not obtained an octet, then its multiple bonds can be formed.

The VSEPR theory is helpful in predicting the shapes of molecules from their Lewis structures. The geometry of a molecule can be determined on the basis of the number of electron groups, lone pairs and bonding pairs in the molecule.

Explanation of Solution

The carbon atom is the central atom.

The skeletal structure for the compound is as follows:

           F Cl      C     Cl           F

Now, the total number of electrons for the molecule is determined as follows:

Total electrons = valence electrons for C + valence electrons for Cl+valence electrons for F=�

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Chapter 5 Solutions

Chemistry In Focus
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