Carboxylic Acids Question 111
Question: Consider the acidity of the carboxylic acids $ PhCOOH $ $ o-NO_2C_6H_4COOH $ $ p-NO_2C_6H_4COOH $ $ m-NO_2C_6H_4COOH $ Which of the following order is correct-
[AIEEE 2004]
Options:
A) $ b>d>a>c $
B) $ b>d>c>a $
C) $ a>b>c>d $
D) $ b>c>d>a $
Show Answer
Answer:
Correct Answer: D
Solution:
Electron withdrawing group, increases the acidity of benzoic acid, O-isomer will have higher acidity then corresponding m and p-isomer due to ortho effect.
BETA
