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KVPY2019ChemistryGeneral Organic Chemistry

The absolute configurations of the following compounds respectively, are

Options

  1. AR and R
  2. BS and S
  3. CR and S
  4. DS and R

Correct answer

D. S and R

Step-by-step solution

Using CIP (Cahn-Ingold-Prelog) ranking method, CH 2 SH > CH 2 OH > CH 3 > H is the ranking order. ∴ S - configuration = R - configuration

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