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NEETChemistryIonic Equilibrium

For the reaction PCl₅ ⇌ PCl₃ + Cl₂ at 380K, if 3.00 mol of PCl₅ is kept in a 1L closed reaction vessel and allowed to attain equilibrium, what will be the composition of the mixture at equilibrium? (Given Kc = 1.80)

Options

  1. A[PCl₅] = 1.41 M, [PCl₃] = 1.6 M
  2. B[PCl₅] = 0.6 M, [PCl₃] = 0.6 M, [Cl₂] = 1.2 M
  3. C[PCl₅] = 0.8 M, [PCl₃] = 0.8 M, [Cl₂] = 0.4 M
  4. D[PCl₅] = 0.4 M, [PCl₃] = 0.4 M, [Cl₂] = 0.8 M

Correct answer

A. [PCl₅] = 1.41 M, [PCl₃] = 1.6 M

Step-by-step solution

Correct Option is : (A) [PCl₅] = 1.41 M, [PCl₃] = 1.6 M

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