Bleaching a Rose with Sulfur Dioxide When a red rose is inserted into a beaker of sulfur dioxide, eventually the rose becomes pink in color. The bleaching results from sulfur dioxide reducing a pigment in the rose petals. The size of the movie file is 1.6 MB and its duration is 24 seconds. The name of the movie file is "SO2PR2.MOV" and it is located in the folder "MOVIES/SO2PROP". 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
When a red rose is inserted into a beaker of sulfur dioxide, eventually the rose becomes pink in color. The bleaching results from sulfur dioxide reducing a pigment in the rose petals.
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| Chemistry Comes Alive! (entry page) | Table of Contents | Matrix of Chapters and Topics | Index | Alphabetical List of Topics | Chemistry Textbooks | © 1999 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.
© 1999 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.
