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Peer Mentoring in the General Chemistry and Organic Chemistry Laboratories. The Pinacol Rearrangement: An Exercise in NMR and IR Spectroscopy for General Chemistry and Organic Chemistry Laboratories

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Caleb A. Arrington , Jameica B. Hill , Ramin Radfar , David M. Whisnant and Charles G. Bass

Department of Chemistry, Wofford College, Spartanburg, SC 29303-3663

J. Chem. Educ., 2008, 85 (2), p 288

DOI: 10.1021/ed085p288

Publication Date (Web): February 1, 2008

Abstract

This article describes a discovery experiment for general chemistry and organic chemistry labs. Although the pinacol rearrangement has been employed in undergraduate organic laboratories before, in this application organic chemistry students act as mentors to students of general chemistry. Students work together using distillation—a new technique for the general chemistry students and a basic one for the organic students—to isolate an unknown compound. Then, using spectroscopy (IR and NMR), the students collaborate to determine the structure of the product of the reaction. This application of a standard experiment allows general chemistry students to gain exposure to modern spectroscopic instrumentation and to enhance their problem-solving skills. Organic chemistry students improve their understandings of laboratory techniques and spectroscopic interpretation by acting as the resident experts for the team.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Collaborative / Cooperative Learning

Keywords (Subject):

IR Spectroscopy

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

Examination of Bond Properties through Infrared Spectroscopy and Molecular Modeling in the General Chemistry Laboratory
Clifford M. Csizmar, Dee Ann Force, and Don L. Warner
Journal of Chemical Education2012 Article ASAP
- Examination of Bond Properties through Infrared Spectroscopy and Molecular Modeling in the General Chemistry Laboratory
  Clifford M. Csizmar, Dee Ann Force, and Don L. Warner
  Journal of Chemical Education2012 Article ASAP
  A concerted effort has been made to increase the opportunities for undergraduate students to address scientific problems employing the processes used by practicing chemists. As part of this effort, an infrared (IR) spectroscopy and molecular modeling ...
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