Carboxylic Acid and Acid DerivativesHard
Question
Which of the following is correct order of acidity?
Options
A.HCOOH > CH3COOH > ClCH2COOH > C2H5COOH
B.ClCH2COOH > HCOOH > CH3COOH > C2H5COOH
C.CH3COOH > HCOOH > ClCH3COOH > C2H5COOH
D.C2H5COOH > CH3COOH > HCOOH > ClCH2COOH
Solution
Recall that presence of electron-withdrawing group increases, while presence ofelectron-releasing group decreases the acidity of carbon Alic acids.
ClCH2COOH >
(electron-withdrawing gp)
(Electron-releasing character increasing from Left to Right)
ClCH2COOH >
(electron-withdrawing gp)
(Electron-releasing character increasing from Left to Right)
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