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Chemistry · 2023 · 2 marks
CBSE 2023 · Region 5 · Set 1 · Q23
For the pair phenol and cyclohexanol, answer the following: (a) Why is phenol more acidic than cyclohexanol? (b) Give one chemical test to…
For the pair phenol and cyclohexanol, answer the following:
(a)
Why is phenol more acidic than cyclohexanol?
(b)
Give one chemical test to distinguish between the two.
Marking-scheme solution
(a) Because phenoxide ion is more stable due to resonance.
(b) Add neutral \(\displaystyle \mathrm{FeCl}_{3}\) to both the compounds, phenol gives violet colour whereas cyclohexanol does not.
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CBSE Class 12 Chemistry past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.