MCQ
Total number of relatively more stable isomer(s) possible for octahedral complex $\left[ Cu ( en )_{2}( SCN )_{2}\right]$ will be $.........$
- ✓$3$
- B$2$
- C$1$
- D$0$

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To obtain high yields of $CH_3Cl$, the ratio of $CH_4$ to $Cl_2$ must be
