MCQ
$[Co(en)_3]^{3+}$ ion is expected to show
- ✓two optically active isomers: $d$ and $l$ forms
- Bthree optically active isomers: $d, l$ and meso forms
- Cfour optically active isomers: cis, $d$ and $l$ isomers and trans $d$ and $l$ isomers
- Dnone of these