MCQ
Which of the following does not have optical isomer
- ✓$[Co{(N{H_3})_3}C{l_3}]$
- B$[Co{(en)_3}]C{l_3}$
- C$[Co{(en)_2}C{l_2}]Cl$
- D$[Co(en){(N{H_3})_2}C{l_2}]Cl$
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