Given the Following Equilibria, Ni²⁺(aq)+ 2 OH^-(aq) Ni(OH)₂(s)

question 39

Multiple Choice

Given the following equilibria, Ni²⁺(aq) + 2 OH^-(aq) Ni(OH) ₂(s)
K₁ = 1.8 × 10¹⁵
Ni²⁺(aq) + 4 CN^-(aq) Ni(CN) ₄^2-(aq)
K₂ = 2.0 × 10³¹
Determine the equilibrium constant,K_c,for the following reaction.
Ni(OH) ₂(s) + 4 CN^-(aq) Ni(CN) ₄^2-(aq) + 2 OH^-(aq)

• A) 2.8 × 10^-47
• B) 9.0 × 10^-17
• C) 1.8 × 10¹⁵
• D) 1.1 × 10¹⁶
• E) 3.6 × 10⁴⁶

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