JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2012

  • question_answer
    Chloroacetic acid is a stronger acid than acetic acid. This can be explained using

    A)  \[-M\] effect                   

    B)  \[-I\]effect

    C)  \[+M\]effect                   

    D)  \[+I\]effect

    Correct Answer: B

    Solution :

                    \[-Cl\]is an electron withdrawing (i.e.,\[-I\] showing) group. It withdraws electrons when attached to the carboxylic acid and decreases the electron density on the oxygen atom. This will facilitate the release of by making\[O-H\]bond more polar and thus\[-Cl\]increases the acidity of acetic acid when attached at a position because of\[-I\]effect.


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