MCQ
Which one of the following is an example of cationic complex?
- A$Na \left[ Ag ( CN )_2\right]$
- ✓$\left[ Ag \left( NH _3\right)_2\right] Cl$
- C$\left[ Ni ( CO )_4\right]$
- D$K _4\left[ Fe ( CN )_6\right]$
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