Macroscale and Microscale Organic Experiments
7th Edition
ISBN: 9781305577190
Author: Kenneth L. Williamson, Katherine M. Masters
Publisher: Brooks Cole
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Chapter 3, Problem 13Q
Interpretation Introduction
Interpretation:
Whether
Concept introduction:
Temperature value at which vapor pressure of the liquid and atmospheric pressure becomes the same is termed as the boiling point of that given liquid. At this temperature, change from liquid to vapor phase occurs.
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The molecular mass of 1-butanol, C4H9OH, is 74.12 amu; that of ethylene glycol, CH2(OH)CH2OH, is 62.07 amu, yet their boiling points are 117.7°C and 197.3°C, respectively. Explain the reason for the difference.
Since ethylene glycol h
--Select--
locations for hydrogen bonding interactions than 1-butanol, it will have the higher boiling point.
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fewer
4. Illustrate each of the following reactions using names and structures;
a) The reaction of 2-methyl-propene with hydrogen bromide.
b) The condensation of ethanol with butanol.
5. The labels were mixed up on bottles of pentane, hexanal and heptan-1-ol. How could boiling point be used to distinguish
between these three colourless liquids? Explain.
6. Illustrate the series of reactions that can be performed to produce propylmethanoate from two alcohols.
8) a) Draw the structures of ethyl acetate, ethanol, 2-propanol and water.
b) Based on the structures and polarities of these solvents as well as that of vanillin, provide
your reasoning as to whether you expect vanillin to be soluble in each of these solvents or
not.
Chapter 3 Solutions
Macroscale and Microscale Organic Experiments
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