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Chemistry
Which of the following has maximum acidic strength ?
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Q. Which of the following has maximum acidic strength ?
Organic Chemistry – Some Basic Principles and Techniques
A
o-Nitrobenzoic acid
B
m-Nitrobenzoic acid
C
p-Nitrobenzoic acid
D
p-Nitrophenol
Solution:
Due to electron withdrawing nature of -$NO_2$ group and ‘ortho effect’, $o$-nitrobenzoic acid has maximum acidic strength.