The solution of phenol in water has a pH of about?
Correct answer: D. 5-6
- A. 4-5
- B. 3-5
- C. 2-4
- D. 5-6
Explanation
The solution of phenol in water has a pH of about 5-6 ( depending upon its concentration ). That means that a very dilute solution isn't acidic enough to turn litmus paper fully red. Litmus paper is blue at pH 8 and red at pH 5. The rest options have incorrect pH values.
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About Phenols
Phenols contain a hydroxyl group directly bonded to an aromatic ring, making them more acidic than alcohols because the phenoxide ion is resonance-stabilised. Reactions include ionisation with bases, electrophilic substitution, bromination, nitration and oxidation, with attention to the difference between phenols and aliphatic alcohols.
Practise Alcohols and Phenols
535 free Alcohols and Phenols MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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