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pH of Acetic Acid, Monochloro-, Dichloro-, Trichloro-, and Trifluoroacetic Acids

The pH of acetic acid, monochloro-, dichloro-, trichloro-, and trifluoroacetic acids are compared.

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.4 MB, 7 seconds, no sound

File: MOVIES/TRAM15/0520525.MOV

Discussion
The effect of substituting electronegative halogen atoms for the a-hydrogen atoms in acetic acid is demonstrated by comparing the pH of 0.1M solution of acetic acid, monochloro-, dichloro-, trichloro-, and trifluoroacetic acids. The pH differences are also shown by methyl violet indicator.


pH Differences as Shown by Methyl Violet Indicator
       


       

Design, Text and Demonstrator:  
  Gary Trammell University of Illinois at Springfield, Springfield, IL 62794
Videographer/Editor:  
  Steve Dykema University of Illinois at Springfield, Springfield, IL 62794
Voice:  
  Margaret Biddle University of Wisconsin - Madison, Madison, WI 53706
Audio Production:  
  Greg Minix University of Wisconsin - Madison, College of Engineering, Madison, WI 53706
  Jerrold J. Jacobsen University of Wisconsin - Madison, Madison, WI 53706