MHT CET Chemistry question
Consider the acidity of the carboxylic acids
i.
ii.
iii.
iv.
Which of the following order is CORRECT?
Answer: (D)
Solution
A nitro group (-I, -M) increases the acidity of benzoic acid; the ortho isomer is strongest (pKa 2.17, ortho effect), then the para (3.44) and meta (3.45) isomers,
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