Write the formula for sodium tetracyanonickelate(II). A) Na[Ni(CN)₄] B) Na[Ni(CN)₄]₂ C) Na₂[Ni(CN)₄] D) Na₄[Ni(CN)₄] E) none of the above

Name: Write the formula for sodium tetracyanonickelate(II). A) Na[Ni(CN) 4 ] B) Na[Ni(CN) 4 ] 2 C) Na 2 [Ni(CN) 4 ] D) Na 4 [Ni(CN) 4 ] E) none of the above
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Sodium tetracyanonickelate(II) has the formula Na2[Ni(CN)4] because the nickelate complex [Ni(CN)4]2- requires two sodium ions to balance the charge.

Write the Formula for Sodium Tetracyanonickelate(II)