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AIIMS2017ChemistryIonic Equilibrium

Calculate the overall complex dissociation equilibrium constant for the [ Cu ( NH ₃ )₄ ]²⁺ ions, given that stability constant ( ₄ ) for this complex is 2.1 10¹³ .

Options

  1. A8.27 10⁻¹³
  2. B4.76 10⁻¹⁴
  3. C2.39 10⁻⁷
  4. D1.83 10¹⁴

Correct answer

B. 4.76 10⁻¹⁴

Step-by-step solution

Dissociation constant is the reciprocal of the stability constant ( =1 / K) . Overall complex dissociation equilibrium constant, aligned K & = 1 ₄ & = 1 2.1 10¹³ =4.76 10⁻¹⁴ aligned

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