CBSE 2024 · Region 4 · Set 2 · Q28 · 3 marks
Write chemical equations for the following reactions : (Do any three)(a)Hydroboration - oxidation reaction(b)Williamson Synthesis(c)Friedel-Crafts Alkylation of Anisole(d)Reimer-Tiemann Reaction $\displaystyle \mathbf{1} \boldsymbol{\times} \mathbf{3}$
Write chemical equations for the following reactions : (Do any three)
(a)
Hydroboration - oxidation reaction
(b)
Williamson Synthesis
(c)
Friedel-Crafts Alkylation of Anisole
(d)
Reimer-Tiemann Reaction $\displaystyle \mathbf{1} \boldsymbol{\times} \mathbf{3}$
Marking-scheme solution
(a) \(\displaystyle \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}_{2} \xrightarrow[\text { 2. } \mathrm{H}_{2} \mathrm{O}_{2}, \overline{\mathrm{O}} \mathrm{H}]{\text { 1. } \mathrm{B}_{2} \mathbf{H}_{6}} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{OH}\)
(b) 
(c) 
(d) 
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CBSE Class 12 Chemistry past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.