Which of following is least reactive towards base catalyzed decarboxylation of a carboxylic acid?

C H_{3} C H_{2} C O O H

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(C H_{3})_{3} C C O O H

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C_{6} H_{5} C H_{2} C O O H

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F_{3} C C H_{2} C O O H

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Solution

The correct option is B $(C H_{3})_{3} C C O O H$
Tertiary carbanion intermediate's stability is very less if stability is low that compound does not undergo decarboxylation, so tertiary acid is very less reactive in decarboxylation reactions.

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Similar questions

{C l}_{3} C C O O H > {C l}_{2} C H C O O H > C l {C H}_{2} C O O H

{C H}_{3} C H_{2} C O O H > {(C H}_{3})_{2} C H C O O H > {(C H}_{3})_{3} C C O O H

F_{2} C H_{2} C O O H > F C H_{2} C O O H > C l {C H}_{2} C O O H

C H_{3} C H_{2} C O O H > (C H_{3})_{2} C H C O O H > (C H_{3})_{3} C C O O H

p K_{a}

C F_{3} C O O H, C C l_{3} C O O H, H C C l_{2} C O O H, N O_{2} C H_{2} C O O H, F C H_{2} C O O H, C l C H_{2} C O O H, B r C H_{2} C O O H, H C O O H, C l C H_{2} C H_{2} C O O H, C_{6} H_{5} C O O H, C_{6} H_{5} C H_{2} C O O H, C H_{3} C O O H, C H_{3} C H_{2} C O O H

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