11. Predict the order of pKa of the following carboxylic acid.


(A) $\mathrm{I} > \mathrm{II} > \mathrm{III}$
(B) $\mathrm{III} > \mathrm{II} > \mathrm{I}$
(C) $\mathrm{II} > \mathrm{I} > \mathrm{III}$
(D) $\mathrm{III} > \mathrm{I} > \mathrm{II}$
(E) $\mathrm{II} > \mathrm{III} > \mathrm{I}$

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