Reversible formation of aluminum xylenol orange by temperature variation. An experimental demonstration of the entropy effect

Reversible formation of aluminum xylenol orange by temperature variation. An experimental demonstration of the entropy effect

The reaction of aluminum ions with xylenol orange in aqueous solution yields qualitatively a simple and instructive demonstration of the entropy effect connected with chelate formation.

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Bibliographic Details
Published in:Journal of chemical education Vol. 50; no. 2; p. 147
Main Authors: Miller, Frank I, Fog, Henrik M
Format: Journal Article
Language:English
Published: Division of Chemical Education 01-02-1973
Subjects:
Hands-On Learning / Manipulatives
Thermodynamics
Upper-Division Undergraduate
Physical Chemistry
Online Access:Get full text
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Description
Summary:The reaction of aluminum ions with xylenol orange in aqueous solution yields qualitatively a simple and instructive demonstration of the entropy effect connected with chelate formation.
ISSN:0021-9584
1938-1328
DOI:10.1021/ed050p147