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  Home > JCE Print > Journal of Chemical Education > Issues > 1995  > November  >
Features
The Microscale Laboratory
Selective and Quantitative Catalytic Hydrogenation: A Safe, Inexpensive Experiment for Large Classes
John A. Landgrebe
University of Kansas, Lawrence, KS 66045
Cover
November 1995
Vol. 72 No. 11
p. A220
Abstract
Students measure the rate of hydrogenation of 4-vinylcyclohexene in the presence of an inexpensive, non-pyrophoric nickel boride (PI) catalyst prepared from nickel(II) acetate and sodium borohydride. The vinyl group hydrogenates rapidly followed by the distinctly slower hydrogenation of the cyclohexene. An atmospheric hydrogenation apparatus for the experiment is easily constructed from a 50-mL buret, a rubber thermometer adapter, a small pear-shaped flask, two short Pasteur pipets, two small syringe caps, a leveling bulb or separatory funnel, a small rubber stopper, and some Tygon tubing.
More Information
*  Citation
 Landgrebe, John A. J. Chem. Educ. 1995 72 A220.
*  Keywords
*  History
 Created:
Last Updated:		 10/1/1999
5/22/2006
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