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  4. which one of the following is the correct order of acidic strength? (i) Cl3C-COOH (ii) Cl2CH-COOH (iii) ClCH2-COOH (iv) CH3-COOH

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Q. which one of the following is the correct order of acidic strength?

(i) $Cl_{3}C-COOH$

(ii) $Cl_{2}CH-COOH$

(iii) $ClCH_{2}-COOH$

(iv) $CH_{3}-COOH$

NTA AbhyasNTA Abhyas 2020Organic Chemistry – Some Basic Principles and Techniques

Solution:

Acidic nature $ \propto $ $- \text{I}$ (Electron withdrawing groups)

More the $- \text{I}$ group at $\alpha $ 'C' of carboxylic acid greater the acidic strength.

Solution