What Is the Correct Formula for Sodium Tetracyanodihydroxovanadate(II)

question 91

Multiple Choice

What is the correct formula for sodium tetracyanodihydroxovanadate(II) ?

• A)Na₂[V(CN)₄(OH)₂]
• B)Na₃[V(CN)₄(OH)₂]
• C)Na₄[V(CN)₄(OH)₂]
• D)Na[V(CN)₄(OH)₂]
• E)Na₃[V(CN)₄(OH)]

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