CUET · CHEMISTRY · PYQ PAPER 2023
Which of the following statements are not correct?
A. Phenol is used to prepare analgesic drugs.
B. Solubility of phenol in water is more than that of chlorobenzene.
C. Phenol is neutralised by sodium carbonate.
D. Boiling point of o- nitrophenol is lower than that of p-nitrophenol.
Choose the most appropriate answer from the options given below:
- A A & B only
- B C only
- C B & D only
- D C & D only
Answer & Solution
Correct Answer
(B) C only
Step-by-step Solution
Detailed explanation
A. Correct. B. Correct. C. Incorrect. Phenol (\( \text{pKa} \approx 10 \)) is a weaker acid than carbonic acid (\( \text{pKa}_1 \approx 6.35, \text{pKa}_2 \approx 10.33 \)), so it does not neutralize sodium carbonate. D. Correct. o-nitrophenol forms intramolecular H-bonds (lower…
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