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NTA Abhyas NEET2020ChemistryChemical EquilibriumPractice

The equilibrium constant for the disproportionation of H g C l 2 into H g C l + and H g C l 3 - of Given H g C l + + C l - ⇌ H g C l 2 ; K 1 = 3 × 1 0 6 H g C l 2 + C l - ⇌ H g C l 3 - ; K 2 = 9.0

Options

  1. A27 × 1 0 6
  2. B3.3 × 1 0 - 6
  3. C3.2 × 1 0 - 7
  4. D3 × 1 0 - 6

Correct answer

D. 3 × 1 0 - 6

Step-by-step solution

K 1 = [ H g C l 2 ] [ H g C l + ] [ C l - ] K 2 = [ H g C l 3 - ] [ H g C l 2 ] [ C l - ] So K 3 = [ H g C l + ] [ H g C l 3 - ] [ H g C l 2 ] 2 = K 2 K 1 = 9 3 × 1 0 6 = 3 × 1 0 - 6 .

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