MCQ
The IUPAC name of $\left[ {Ni{{(CO)}_4}} \right]$ is
- ATetra carbonyl nickel $(II)$
- ✓Tetra carbonyl nickel $ (0)$
- CTetra carbonyl nickelate $(II)$
- DTetra carbonyl nickelate $ (0)$
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| Test | Interference |
| $(a)$ $2, 4-DNP$ test | Colorued precipitate |
| $(b)$ Iodoform test | Yellow precipitate |
| $(c)$ Azo-dye test | No dye formation |
Compound $‘X’$ is
