MCQ
Which of the following is an example of anionic complex?
- A$\left[ Ag \left( NH _3\right)_2\right] Cl$
- B$\left[ CO \left( NH _3\right)_6\right] Cl _3$
- C$\left[ Fe ( CO )_5\right]$
- ✓$K _4\left[ Fe ( CN )_6\right]$
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| Column-I | Column-II |
| A. Natural rubber | 1. Styrene + Buta 1,3 - diene |
| B. Neoprene | 2. cis - isoprene |
| C. Buna - N | 3. Chloroprene |
| D. Buna- S | 4. Acrylonitrile + buta-1,3 diene |