Question

Write the IUPAC name of K4 [Ni (CN)4]

Answer 1

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Here's your answer!!

The IUPAC name of K4 [Ni(CN)4] is ⤵️

◾️Potassium tetracyanonickelate (0).

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Answer 2

IUPAC name of $K_4[Ni(CN)_4]$ is Potassium tetracyanon nicklate (4-).

Explanation:

• To write IUPAC name for coordination compound, first it must be classified as follows:

1. Center ion = $K_4$
2. Central metal ion = Ni
3. Ligand = (CN)
4. Coordination compound = Ni$(CN)_4$

• In case of the given compound, Potassium is the cation and the complex ion inside the parenthesis is the anion.
• The rules to follow while writing the IUPAC name of the coordination compound is as follows:

1. Name of the cation (Potassium)
2. Name of the ligand (Tetracyanon)
3. Central metal atom (Nicklate as it is present in anionic complex).
4. Oxidation number (4-)

• Thus the IUPAC name of the compound $K_4[Ni(CN)_4]$ is Potassium tetracyanon nicklate (4-)

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