EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
EBK EXPERIMENTAL ORGANIC CHEMISTRY: A M
6th Edition
ISBN: 9781305687875
Author: Gilbert
Publisher: CENGAGE LEARNING - CONSIGNMENT
Question
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Chapter 3.3, Problem 10E

a)

Interpretation Introduction

Interpretation:Whether an impurity always lowers melting point of organic compound is true or false should be determined.

Concept introduction:Melting point is temperature that involves conversion of substance from solid to liquid state. Both liquid and solid phases are present in equilibrium with each other at this temperature.

b)

Interpretation Introduction

Interpretation:Whether sharp melting point for crystalline organic substance always indicates pure single compound is true or false should be determined.

Concept introduction:Melting point is temperature that involves conversion of substance from solid to liquid state. Both liquid and solid phases are present in equilibrium with each other at this temperature.

c)

Interpretation Introduction

Interpretation:Whether addition of compound A that does not lower melting point of compound Xso Xis identical to A is true or false should be determined.

Concept introduction:Melting point is temperature that involves conversion of substance from solid to liquid state. Both liquid and solid phases are present in equilibrium with each other at this temperature.

d)

Interpretation Introduction

Interpretation:Whether addition of compound A that lowers melting point of compound Xis not identical to A is true or false should be determined.

Concept introduction:Melting point is temperature that involves conversion of substance from solid to liquid state. Both liquid and solid phases are present in equilibrium with each other at this temperature.

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1. The boiling points of liquids are determined by the intermolecular forces that must be energetically overcome for that liquid to convert from a liquid to a gas. Consider the solvents ethanol and dichloromethane. A. Draw the interaction between ethanol- ethanol molecules and dichloromethane- dichloromethane molecules.
i. Why is the boiling point of the aldehyde greater than that of the alkane? ii. Why is the boiling point of alcohol the highest? iii. Explain why the solubility of aldehydes and alcohols falls as the molecules get bigger.
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