Which of the following derivatives of carboxylic acid is the most reactive?
Correct answer: B. Acid halide
- A. Acid amide
- B. Acid halide
- C. Ester
- D. Acid anhydride
Explanation
Among the derivative of carboxylic acid, the acid halide is more reactive because the halogen group is good leaving. Order of reactivity of derivative of carboxylic acid is given below: R-CO-Cl > R-CO-OCOR >R-CO-OR > R-CO-NH2
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About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
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