MCQ
Which one of the following is a neutral complex?
- ✓$\left[ CO \left( NH _3\right)_3\left( Cl _3\right)\right]$
- B$\left[ Ag \left( NH _3\right)_2\right]^{+}$
- C$K _4\left[ Fe ( CN )_6\right]$
- D$Na \left[ Ag ( CN )_2\right]$
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