MCQ
Which of the following compounds are optically active


- A$(I)$ and $(III)$
- B$(I)$ and $(II)$
- ✓$(II)$ and $(III)$
- D$(I), (II)$ and $(III)$

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$2 A ( g ) \rightarrow A _{2}( g )$
at $298\, K , \Delta U^ \ominus,=-20\, kJ\, mol ^{-1}, \Delta S \odot=-30\, J$$K ^{-1}\, mol ^{-1},$ then the $\Delta G ^{\ominus}$ will be........$J$

