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COMEDK2012ChemistryChemical Kinetics

Decomposition of NH ₃ on the surface of platinum has a rate constant of 2.5 10⁻⁴ ~mol dm^ -3 s ^ - 1 at 3 5 0 K . The order of the reaction is

Options

  1. A0
  2. B1
  3. C1 / 2
  4. D2

Correct answer

B. 1

Step-by-step solution

Unit of rate constant of n th order (k)= ( mol dm ³ )^ 1-n ~s ⁻¹ for zero order (n)=0 k= mol~dm ⁻³ ~s ⁻¹ The order of reaction is 1st.

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