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Posted by on Monday, July 12, 2010 at 6:48pm.

A. Increasing halogen atom size.
B. Decreasing acid strength.
C. Shortening of the C-C bond.
D. Increasing electronegativity.
E. Higher dipole values going from F to Cl to Br.


cant paste the spartan stuff... whats the answer?!?!?

  • chem webwork - , Monday, July 12, 2010 at 6:53pm

    What's the question?

  • chem webwork - , Monday, July 12, 2010 at 6:58pm

    For fluoracetic acid the highest Boltzmann distribution is when the dihedral angle is at 0 degrees. However, going from chloro- to bromoacetic acid, an increasing dip in the Boltzmann distribution occurs at 0 degrees. What is responsible for this "dip?" (HINT: look at how the structure of the molecule changes as the halogen atom rotates around toward the hydrogen atom attached to the oxygen atom.)

  • chem webwork - , Monday, November 1, 2010 at 8:46pm

    I can tell you its NOT
    decreasing acid strength
    and its NOT
    Increasing electronegativity..
    your guess is as good as mine.. : //

  • chem webwork - , Sunday, May 1, 2011 at 11:34pm

    its increasing halogen atom size...i just answered it and thankfully got it right

  • chem webwork - , Monday, May 2, 2011 at 4:52pm

    Yes, it is increasing halogen atom size

  • chem webwork - , Monday, April 30, 2012 at 2:13am

    It is increasing halogen atom size...

    For those who care, look at the plots in Spartan and you can automatically rule out Increasing Electronegativity and higher dipole values.

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