AP EAMCET · Chemistry · General Organic Chemistry
Order of acidity of benzoic acid (I), 4-methoxybenzoic acid (II), acetic acid (III) and 4-nitrobenzoic acid (IV) is
- A IV \(>\) I \(>\) II \(>\) III
- B I \(>\) II \(>\) IV \(>\) III
- C III \(>\) I \(>\) II \(>\) IV
- D II \(>\) I \(>\) IV \(>\) III
Answer & Solution
Correct Answer
(A) IV \(>\) I \(>\) II \(>\) III
Step-by-step Solution
Detailed explanation
An electron-donating group decreases the strength of acids, while electron withdrawing group increases the strength of acids. A methoxy group is clectron donating group, 4-methoxy benzoic acid is a weaker acid than benzoic acid. Nitro group is electron withdrawing group and will…
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