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Solution


Q.

The descending order of acidity for the following carboxylic acid is:

A. CH3COOH
B. F3C–COOH
C. ClCH2–COOH
D. FCH2–COOH
E. BrCH2–COOH 

Choose the correct answer from the options given below:             [2023]
1 E > D > B > A > C  
2 B > D > C > E > A  
3 D > B > A > E > C  
4 B > C > D > E > A  

Ans.

(2)

–I effect decreases as F > Cl > Br. Greater the extent of –I effect, greater the acidity.