MCQ
Which of the following ions are optically active?


- A$I$ only
- B$II$ only
- ✓$II$ and $III$
- D$IV$ only

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$(I)$ $1\, M$ glucose $(aq.)$
$(II)$ $1\, M$ sodium chloride $(aq.)$
$(III)$ $1\, M$ acetic acid in benzene
$(IV)$ $1\, M$ ammonium phosphate $(aq.)$