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A New Twist on the Iodine Clock Reaction: Determining the Order of a Reaction
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Abstract
The iodine clock reaction can be used to illustrate the kinetic order of a reaction, and an overhead projector demonstration was developed three years ago for general chemistry classes at the University of Notre Dame showing this concept.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
DemonstrationsKeywords (Feature):
Overhead Projector DemonstrationsKeywords (Subject):
Aqueous Solution ChemistryCiting Articles
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This article has been cited by 8 ACS Journal articles (5 most recent appear below).
The Effect of Temperature and Ionic Strength on the Oxidation of Iodide by Iron(III): A Clock Reaction Kinetic Study
Jurica Bauer, Vladislav Tomišić, and Petar B. A. VrkljanJournal of Chemical Education2012 Article ASAPThe Effect of Temperature and Ionic Strength on the Oxidation of Iodide by Iron(III): A Clock Reaction Kinetic Study
Jurica Bauer, Vladislav Tomišić, and Petar B. A. VrkljanJournal of Chemical Education2012 Article ASAPA laboratory exercise has recently been reported in which the students use the initial rates method based on the clock reaction approach to deduce the rate law and propose a reaction mechanism for the oxidation of iodide by iron(III) ions. The same ...
A Microscale Approach to Chemical Kinetics in the General Chemistry Laboratory: The Potassium Iodide Hydrogen Peroxide Iodine-Clock Reaction
Prem D. SattsangiJournal of Chemical Education2011 88 (2), 184-188A Microscale Approach to Chemical Kinetics in the General Chemistry Laboratory: The Potassium Iodide Hydrogen Peroxide Iodine-Clock Reaction
Prem D. SattsangiJournal of Chemical Education2011 88 (2), 184-188A microscale laboratory for teaching chemical kinetics utilizing the iodine clock reaction is described. Plastic pipets, 3 mL volume, are used to store and deliver precise drops of reagents and the reaction is run in a 24 well plastic tray using a total ...
Clock Reaction: Outreach Attraction
Yuen-ying Carpenter and Heather A. Phillips, Michael B. JakubinekJournal of Chemical Education2010 87 (9), 945-947Clock Reaction: Outreach Attraction
Yuen-ying Carpenter and Heather A. Phillips, Michael B. JakubinekJournal of Chemical Education2010 87 (9), 945-947Chemistry students are often introduced to the concept of reaction rates through demonstrations or laboratory activities involving the well-known iodine clock reaction. For example, a laboratory experiment involving thiosulfate as an iodine scavenger is ...
Kinetics and Mechanism of Iodide Oxidation by Iron(III): A Clock Reaction Approach
Petar B. A. Vrkljan , Jurica Bauer and Vladislav TomisicJournal of Chemical Education2008 85 (8), 1123Kinetics and Mechanism of Iodide Oxidation by Iron(III): A Clock Reaction Approach
Petar B. A. Vrkljan , Jurica Bauer and Vladislav TomisicJournal of Chemical Education2008 85 (8), 1123A simple method for studying the kinetics of a chemical reaction is described and the significance of reaction orders in deducing reaction mechanisms is demonstrated. In this student laboratory experiment, oxidation of iodide by iron(III) ions in an ...
A Kinetics Demonstration Involving a Green-Red-Green Color Change Resulting from a Large-Amplitude pH Oscillation
Brian W. Pfennig and Richard T. RobertsJournal of Chemical Education2006 83 (12), 1804A Kinetics Demonstration Involving a Green-Red-Green Color Change Resulting from a Large-Amplitude pH Oscillation
Brian W. Pfennig and Richard T. RobertsJournal of Chemical Education2006 83 (12), 1804A chemical demonstration of a clock reaction involving red and green colors for the winter holiday season is reported. The system consists of oxidation–reduction reactions involving iodate, sulfite, and thiosulfate that experiences a large-amplitude spike ...
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History
- Received: August 03, 2009
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