MCQ
Which of the following statement is correct about $A$ and $B$ ?


- ✓$A$ and $B$ are mixture of diastereomers
- B$A$ and $B$ are mixture of enantiomers
- C$A$ and $B$ are optically active
- D$B$ is racemic mixture

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(The freezing point depression constant for water $=2\; \mathrm{K}\; \mathrm{kg} \;\mathrm{mol}^{-1}$ )