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AP EAMCET · Chemistry · General Organic Chemistry

The increasing order of acidity of the following carboxylic acids is

  1. A III < IV < II < I
  2. B II < III < IV < I
  3. C I < II < IV < III
  4. D III < IV < I < II
Verified Solution

Answer & Solution

Correct Answer

(D) III < IV < I < II

Step-by-step Solution

Detailed explanation

(i) \(\mathrm{NO}_2\) group increases the acidic nature due to - I effect. (ii) \(\mathrm{OCH}_3\) and \(\mathrm{CH}_3\) are electron donating groups (i.e., \(+\mathrm{I}\) effect), thus decreases the acidic nature, but \(\mathrm{OCH}_3\) will decrease acidic nature more than of…