Given the Following Equilibria,
Ni²⁺(aq)+ 2 OH^-(aq) Ni(OH)₂(s) $~~~~~~~~$ K₁ = 1

question 21

Multiple Choice

Given the following equilibria,
Ni²⁺(aq) + 2 OH^-(aq) Ni(OH) ₂(s) $~~~~~~~~$ K₁ = 1.8 $\times$ 10¹⁵
Ni²⁺(aq) + 4 CN^-(aq) Ni(CN) ₄^2-(aq) $~~ ~~$ K₂ = 2.0 $\times$ 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 \(\times\) 10^-47
• B) 9.0 \(\times\) 10^-17
• C) 1.8 \(\times\) 10¹⁵
• D) 1.1 \(\times\) 10¹⁶
• E) 3.6 \(\times\) 10⁴⁶

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