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Application of Hammond's Postulate. An Activity for Guided Discovery Learning in Organic Chemistry

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J. E. Meany and Vicky Minderhout

Department of Chemistry, Seattle University, Seattle, WA 98122

Y. Pocker

Department of Chemistry, University of Washington, Seattle, WA 98195

J. Chem. Educ., 2001, 78 (2), p 204

DOI: 10.1021/ed078p204

Publication Date (Web): February 1, 2001

Section:

History, Education, and Documentation

Abstract

This paper describes an activity that promotes the more active involvement of organic chemistry students in their learning. In this activity, students are given product distributions and other relevant experimental data concerning the free radical chlorination and bromination of propane. Students are guided in the use of Hammond's postulate to predict transition-state structures and to provide a rationale for the relationship between selectivity and reactivity in these and other reactions. In carrying out the skill exercises, students must also review and apply some of the concepts learned in their general chemistry courses. Because of the wide variety of applications of the Hammond postulate, we believe that this activity, along with the associated discussions, represents an effective teaching/learning model that is particularly useful at the early stages of an organic chemistry series.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Organic Chemistry

Keywords (Pedagogy):

Problem Solving / Decision Making

Keywords (Subject):

Free Radicals

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

Projects That Assist with Content in a Traditional Organic Chemistry Course
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Journal of Chemical Education2006 83 (12), 1807
- Projects That Assist with Content in a Traditional Organic Chemistry Course
  John J. Esteb , John R. Magers , LuAnne McNulty and Anne M. Wilson
  Journal of Chemical Education2006 83 (12), 1807
  Projects that engage undergraduate students in content-based courses, such as organic chemistry, must relate to the material and provide useful tools for the divergent needs of the students. There are few examples of these types of projects in the ...
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