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Chemistry · 2024 · 3 marks
CBSE 2024 · Region 5 · Set 1 · Q23
Give the structure of the major product expected from the following reactions: 1 × 3 (a) Reaction of Ethanal with methyl-magnesium bromide followed…
Give the structure of the major product expected from the following reactions : $\displaystyle \mathbf{1} \times \mathbf{3}$
(a)
Reaction of Ethanal with methyl-magnesium bromide followed by hydrolysis.
(b)
Hydration of But-$\displaystyle 1$-ene in the presence of dilute sulphuric acid.
(c)
Reaction of phenol with bromine water.
Marking-scheme solution
a) \(\displaystyle \mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{3}\)
b) \(\displaystyle \mathrm{CH}_{3} \mathrm{CH}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{CH}_{3}\)
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.