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NEET2014ChemistryThermodynamics (C)Actual

Using the Gibbs change, ∆ G o = + 63.3   k J , for the following reaction, A g 2 C O 3 g   ⇌ 2 A g + a q + C O 3 2 - a q the K s p of A g 2 C O 3 s in water at 25 o C is R = 8.314   J K - 1 m o l - 1

Options

  1. A3.2 × 10 - 26
  2. B8.0 × 10 - 12
  3. C2.9 × 10 - 3
  4. D7.9 × 10 - 2

Correct answer

B. 8.0 × 10 - 12

Step-by-step solution

∆ G o = - 2.303   R T log ⁡ K s p 63.3 × 10 3 = - 2.303 × 8.31 × 298 log ⁡ K s p - 11.09 = log ⁡ K s p 8 × 10 - 12 = K s p

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