NEETChemistryGeneral Organic Chemistry
Match List-I with List-II. List-I List-II (A) Enantiomers (I) Optically inactive due to internal compensation (B) Racemic mixture (II) Complete inversion of configuration (C) Meso compound (III) Non-superimposable mirror images (D) S _ N 2 reaction (IV) Optically inactive due to external compensation Choose the correct answer from the options given below:
Options
- AA-III, B-IV, C-I, D-II
- BA-III, B-I, C-IV, D-II
- CA-IV, B-III, C-II, D-I
- DA-I, B-IV, C-III, D-II
Correct answer
A. A-III, B-IV, C-I, D-II
Step-by-step solution
Enantiomers (A) are stereoisomers that are non-superimposable mirror images of each other, matching with (III). A racemic mixture (B) contains equal amounts of two enantiomers, and their optical rotations cancel each other out. Thus, it is optically inactive due to external compensation, matching with (IV). A meso compound (C) contains chiral centers but has an internal plane of symmetry, making the molecule achiral overall. It is optically inactive due to internal compensation, matching with (I). An S _ N 2 reacti