CBSE 2024 · Region 2 · Set 3 · Q17 · 2 marks
(a)Which one of the following pairs of substances undergoes $\displaystyle \mathrm{S}_{\mathrm{N}} 1$ reaction faster and why? \[\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{Cl} \quad \mathrm{OR} \quad \mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{Cl} \](b)Write the major product in the following :
(a)
Which one of the following pairs of substances undergoes $\displaystyle \mathrm{S}_{\mathrm{N}} 1$ reaction faster and why? \[\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{Cl} \quad \mathrm{OR} \quad \mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{Cl} \]
(b)
Write the major product in the following :
Marking-scheme solution
(a)
\(\displaystyle \mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{Cl}\) because \(\displaystyle \mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}^{\oplus}\) is resonance stabilized. (b)
Haloalkanes and HaloarenesChemical Reactions of Haloalkanes and HaloarenesAnalysevery_short_answermedium
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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.