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Question: Answered & Verified by Expert
$\mathrm{CH}_3-\mathrm{CHCl}-\mathrm{CH}_2-\mathrm{CH}_3$ has a chiral centre. Which one of the following represents its R-configuration?
ChemistryGeneral Organic ChemistryNEETNEET 2007
Options:
  • A
  • B
  • C
  • D
Solution:
1249 Upvotes Verified Answer
The correct answer is:
R-configuration indicates that a clockwise circular arrow goes from higher priority to lower priority and that lowest-priority substituent is in the back.


Related Theory
A counterclockwise direction is an $S$ (sinister, Latin for left) configuration. A clockwise direction is an $R$ (rectus, Latin for right) configuration.

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