MCQ
Octet rule is not valid for the molecule
- A$C{O_2}$
- ✓$CO$
- C${H_2}O$
- D${O_2}$
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$A: \left[ Ni ( en )_{3}\right]^{2+}, B :\left[ Ni \left( NH _{3}\right)_{6}\right]^{2+}, C :\left[ Ni \left( H _{2} O \right)_{6}\right]^{2+}$