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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 15, Problem 65E
Textbook Problem
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What is wrong with this molecular picture of a soap molecule in water?

Chapter 15, Problem 65E, What is wrong with this molecular picture of a soap molecule in water?

Interpretation Introduction

Interpretation:

The error in the molecular picture of a soap molecule in water is to be identified.

Concept Introduction:

Polar molecules attract each other, whereas non-polar molecules are not attracted by them.

Polar molecules do not mix with non-polar molecules.

Polar molecules mix with other polar molecules, while non-polar molecular mix with other non-polar molecules only.

Soap molecules have polar and non-polar sides, which helps in the dissolution of non-polar molecules to the non-polar side and polar molecules to the polar side.

Explanation of Solution

Since soap molecules have both polar and non-polar sides, it can be shown in its molecular formula as follows:

(CH2)nCOO Na+

The alkyl chain is non-polar, whereas

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Chemistry In Focus
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