Carboxylic Acids and their Derivatives - Result Question 57

####43. Which of the following carboxylic acids undergoes decarboxylation easily? Explain briefly.

(i) $C _6 H _5 COCH _2 COOH$

(ii) $C _6 H _5 COCOOH$

(iii) $C _6 H _5 CH(OH) COOH$

(iv) $C _6 H _5 CH\left(NH _2\right) COOH$

$(1995,2 M)$

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Solution:

  1. A $\beta$-keto acid undergo very fast decarboxylation



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