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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 6, Problem 61E
Textbook Problem
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Propane, CH 3 CH 2 CH 3 , is a gas at room temperature, whereas propanol, CH 3 CH 2 CH 2 OH, is a liquid. Why the difference?

Interpretation Introduction

Interpretation:

The difference between different states of propane and propanol is to be explained.

Concept Introduction:

Whether a molecule is a gas or a liquid depends upon the intermolecular forces that exist between these molecules. Hydrogen bonding takes place between those molecules which contain an electronegative atom, like N, O and F, to which a hydrogen atom is attached.

A polar bond is formed between elements with different electronegativities. Due to uneven electron distribution, there is charge separation resulting in a dipole. Nonpolar molecules do not have charge separation

Explanation of Solution

Molecules which can form strong hydrogen bonding exist as liquids. The presence of an OH group in propanol makes it a polar molecule whereas propane is a nonpolar molecule as it is a hydrocarbon. The attractive forces between non-polar molecules are weaker than those between polar molecules...

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Chapter 6 Solutions

Chemistry In Focus
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