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An Easy Experiment To Compare Factors Affecting the Reaction Rate of Structurally Related Compounds

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Sandra Signorella , Silvia García and Luis F. Sala

Facultad de Ciencias Bioquímicas y Farmaceuticas (UNR), Departamento de Química -Física - Area Inorganica, Suipacha 531 , Rosario 2000, ARGENTINA

J. Chem. Educ., 1999, 76 (3), p 405

DOI: 10.1021/ed076p405

Publication Date (Web): March 1, 1999

Section:

History, Education, and Documentation

Abstract

An exercise for training students in chemical kinetics that involves the oxidation of polyols with potassium dichromate. The reactivities of the different polyols are compared and differences are interpreted in terms of stereoelectronic factors. In each case, the relative value of the experimental rate constant is used to infer the role of the substituents in the reaction pathway.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Feature):

Advanced Chemistry Classroom and Laboratory

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Kinetics

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Received: August 03, 2009

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An Easy Experiment To Compare Factors Affecting the Reaction Rate of Structurally Related Compounds