AP EAMCET · Chemistry · Haloalkanes and Haloarenes
Which is the correct order of the following alkyl halides for an \(\mathrm{S}_{\mathrm{N}} 2\) reaction?
- A \(\mathrm{ii}>\mathrm{i}>\mathrm{iii}\)
- B iii \(>\) i \(>\) ii
- C iii \(>\) ii \(>\) i
- D \(\mathrm{ii}>\mathrm{iii}>\mathrm{i}\)
Answer & Solution
Correct Answer
(B) iii \(>\) i \(>\) ii
Step-by-step Solution
Detailed explanation
Least substituted carbon atom ( \(\alpha\) - carbon) gives rise to high reactivity towards \(\mathrm{S}_{\mathrm{N}} 2\) reactions. Thus, the corresponding reactivity order will be:
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