MolSynapsequestion bank
MolSynapse / Question bank / Haloalkanes and Haloarenes / SN2 stereochemistry on drawn chiral halides
NEET levelSingle correct optionDifficulty 1 of 3hx222

What is the CIP descriptor of the stereocentre in the compound shown?

  1. AR
  2. BS
  3. Cmeso
  4. DThe compound has no stereocentre

Answer: B

Priorities at the stereocentre: . With H pointing away, the sequence Cl, ethyl, methyl is read counter-clockwise for this drawing, so the centre is S; the compound is (S)-2-chlorobutane (RDKit confirms S).
Practice Haloalkanes and Haloarenes More on SN2 stereochemistry on drawn chiral halides
Previous questionNext question

More questions on SN2 stereochemistry on drawn chiral halides