Iodine Clock Reaction - Effect of Acidity This experiment tests the effect of different sulfuric acid concentrations on the rate of the iodine clock reaction. The initial concentrations and volumes of all other reactants are the same in all four vials. The greater the acid concentration, the faster the reaction. H2SO4 Concentration Ratios (1 : 0.83 : 0.67 : 0.51) The size of the movie file is 1.5 MB and its duration is 23 seconds. The name of the movie file is "CLOCK2.MOV" and it is located in the folder "MOVIES/CLOCKRX". If your browser has not brought the movie into the above space (you might be running a version of Netscape earlier than 3.0 or not have the proper plug-in), clicking on the following will possibly access the movie. Play movie. Next movie for this topic Back to the topic
This experiment tests the effect of different sulfuric acid concentrations on the rate of the iodine clock reaction. The initial concentrations and volumes of all other reactants are the same in all four vials. The greater the acid concentration, the faster the reaction.
H2SO4 Concentration Ratios (1 : 0.83 : 0.67 : 0.51)
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© 1999 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.