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NEET2007ChemistryGeneral Organic ChemistryActual

If there is no rotation of plane light by a compound in a specific solvent, though to be chiral, it may mean that:

Options

  1. Athe compound is certainly meso
  2. Bthere is no compound in the solvent
  3. Cthe compound may be a racemic mixture
  4. Dthe compound is certainly a chiral

Correct answer

A. the compound is certainly meso

Step-by-step solution

Meso compound like meso tartaric acid is optically inactive due to the presence of planar molecular symmetry. Related Theory Meso compounds are molecules having multiple stereocenters, but their mirror images are superimposable. Meso compounds have an identical mirror image whereas enantiomers have a non-superimposable mirror image.

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