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"Mud" + "blood" - A very colorful demonstration

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Gordon F. Hambly

John Abbott College, Department of Chemistry, P.O. Box 2000, Ste. Anne de Bellevue, QC H9X 3L9, CANADA

J. Chem. Educ., 1998, 75 (1), p 56

DOI: 10.1021/ed075p56

Publication Date (Web): January 1, 1998

Section:

History, Education, and Documentation

Abstract

A red solution of phenolphthalein indicator in base is added to a muddy manganese dioxide solution, and a clear solution is obtained almost immediately. This dramatic demonstration involves both redox and acid-base chemistry and can serve as a review of these subjects.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Demonstrations

Keywords (Feature):

Tested Demonstrations

Keywords (Subject):

Oxidation / Reduction

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History

Received: August 03, 2009

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Demo

"Mud" + "blood" - A very colorful demonstration

Abstract

Keywords (Audience):

Keywords (Domain):

Keywords (Feature):

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SciFinder Links

History

Recommend & Share

Related Content

An Easy and Effective Classroom Demonstration of Population Distributions

Organic Acids without a Carboxylic Acid Functional Group

Distinguishing Calcium Carbonate from Calcium Sulfate Dihydrate by Instrumental Methods. A Set of Laboratory Experiments for Analytical Chemistry and Spectroscopy

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