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BITSAT2012ChemistryChemical KineticsActual

2 ~N ₂ O ₅ 4 NO ₂+ O ₂ If rate and rate constant for above reaction are 2.40 10⁻⁵ ~mol ~L ⁻¹ ~s ⁻¹ and 3 10⁻⁵ ~s ⁻¹ respectively, then calculate the concentration of N ₂ O ₅

Options

  1. A1.4
  2. B1.2
  3. C0.04
  4. D0.8

Correct answer

D. 0.8

Step-by-step solution

The reaction is of first and for a first order reaction, rate, R=k [ ~N ₂ O ₅ ]2.4 10⁻⁵=3 10⁻⁵ [ N ₂ O ₅ ] [ N ₂ O ₅ ]= 2.4 10⁻⁵ 3 10⁻⁵ =0.8 ~mol ~L ⁻¹

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