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The Oxidation of Iron in a Gel Using Consumer Chemicals

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Marsha R. Folger and Ryan P. Quinn

Lyme–Old Lyme High School, Old Lyme, CT 06371

Stephen W. Wright

Pfizer Global Research and Development, Groton, CT 06340

Diane Krone

Northern Highlands Regional High School, Dumont, NJ 07628

Frederick C. Sauls

Department of Chemistry and Physics, King''s College, Wilkes-Barre, PA 18711

J. Chem. Educ., 2005, 82 (11), p 1633

DOI: 10.1021/ed082p1633

Publication Date (Web): November 1, 2005

Abstract

The classic demonstration of the corrosion or oxidation of a steel nail in an agar gel may be conducted using inexpensive chemicals that are commonly available to the consumer on the retail market. The ferric ion produced is detected with salicylate to give a garnet-red color at the anodic areas where oxidation of iron occurs.

Keywords (Audience):

Elementary / Middle School Science

Keywords (Domain):

Demonstrations

Keywords (Feature):

JCE DigiDemos: Tested Demonstrations

Keywords (Pedagogy):

Distance Learning / Self Instruction

Keywords (Subject):

Consumer Chemistry

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

JCE Classroom Activity #111: Redox Reactions in Three Representations
Edgardo L. Ortiz Nieves, Reizelie Barreto, and Zuleika Medina
Journal of Chemical Education2012 Article ASAP
- JCE Classroom Activity #111: Redox Reactions in Three Representations
  Edgardo L. Ortiz Nieves, Reizelie Barreto, and Zuleika Medina
  Journal of Chemical Education2012 Article ASAP
  This activity introduces students to the concept of reduction–oxidation (redox) reactions. To help students obtain a thorough understanding of redox reactions, the concept is explored at three levels: macroscopic, submicroscopic, and symbolic. In this ...
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