Rank in order of Increasing Bronsted acidity the structures I, II and III.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Rank in order of Increasing Bronsted acidity the structures I, II and III. 

(D) Rank in order of Increasing Bronsted acidity the structures I, II and III.
CF3
OH
OH
Cl3C
CC|3
OH
A. I<II < III
B. I< III < ||
C. II < | < III
III
D. II<III<I
In I and III the negative charge is delocalized directly onto the carbons that carry the
electron withdrawing substituents, the electronegative elements lower the energy of the
electrons via the inductive effect, which is stronger for more electronegative F compared
to Cl. In II the negative charge is never on the carbon with the substituents, the conjugate
base from II thus has the highest energy electrons and B is the weakest acid
Transcribed Image Text:(D) Rank in order of Increasing Bronsted acidity the structures I, II and III. CF3 OH OH Cl3C CC|3 OH A. I<II < III B. I< III < || C. II < | < III III D. II<III<I In I and III the negative charge is delocalized directly onto the carbons that carry the electron withdrawing substituents, the electronegative elements lower the energy of the electrons via the inductive effect, which is stronger for more electronegative F compared to Cl. In II the negative charge is never on the carbon with the substituents, the conjugate base from II thus has the highest energy electrons and B is the weakest acid
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