CUET · CHEMISTRY · PYQ PAPER 2023
Identify the correct pKa value order:
A. Phenol
B. 4-Methylphenol (p-Cresol)
C. Benzoic acid
D. 4-Methylbenzoic acid
E. 4-Nitrobenzoic acid
Choose the correct answer from the options given below:
- A \(E < C < D < A < B\)
- B \(A < B < D < C < E\)
- C \(E < C < A < D < B\)
- D \(D < E < C < B < A\)
Answer & Solution
Correct Answer
(A) \(E < C < D < A < B\)
Step-by-step Solution
Detailed explanation
Acidity order: \( \text{4-Nitrobenzoic acid} > \text{Benzoic acid} > \text{4-Methylbenzoic acid} > \text{Phenol} > \text{4-Methylphenol} \) pKa order: \( \text{E} < \text{C} < \text{D} < \text{A} < \text{B} \)
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