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Coordination Compounds — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryCoordination Compounds1 Mark
Question
Write the formula for the following coordination compound:
Potassium tetracyanonickelate $(II)$.
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Answer

Potassium tetracyanonickelate $(II) – \ce{K2[Ni(CN)4}]$

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