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Question: Answered & Verified by Expert
$\mathrm{S}_{\mathrm{N}} 2$ reaction involving inversion of configuration takes place with an optically active compound $Z$. The compound $Z$ is
ChemistryHaloalkanes and HaloarenesAP EAMCETAP EAMCET 2018 (23 Apr Shift 2)
Options:
  • A $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{X}$
  • B $\left(\mathrm{CH}_3\right)_2 \mathrm{CHX}$
  • C $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}\left(\mathrm{CH}_3\right) \mathrm{X}$
  • D $\left(\mathrm{CH}_3\right)_3 \mathrm{CX}$
Solution:
2815 Upvotes Verified Answer
The correct answer is: $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}\left(\mathrm{CH}_3\right) \mathrm{X}$
In $\mathrm{S}_{\mathrm{N}} 2$ reaction the nucleophile attacks the electrophilic carbon of the electrophile. The bond between nucleophile and carbon forms at the same time that the bond between carbon and leaving group breaks.

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