Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
BITSAT2009ChemistryChemical KineticsActual

The chemical reaction 2 O ₃ 3 O ₂ proceeds as follows: rate law expression should be:

Options

  1. Ar = k [ O ₃ ]²
  2. Br = k [ O ₃ ]² [ O ₂ ]⁻¹
  3. Cr = k [ O ₃ ]² [ O ₂ ]²
  4. Dr = k [ O ₃ ] [ O ₂ ]²

Correct answer

B. r = k [ O ₃ ]² [ O ₂ ]⁻¹

Step-by-step solution

O ₃ Fast O ₂+ O array l O + O ₃ Slow 2 O ₂ k = [ O ₂ ][ O ] [ O ₃ ] Rate = k ^ [ O ₃ ][ O ] array put [O] from (ii) r = k ^ [ O ₃ ] k [ O ₃ ] [ O ₂ ] = k [ O ₃ ]² [ O ₂ ]⁻¹ Note: Intermediates are never represented in rate law equation.

Practice Chemical Kinetics on Quantrex Academy →

More from Chemical Kinetics

For the reaction 2 SO ₂+ O ₂ 2 SO ₃ , the rate of disappearance of O ₂ is 2 10⁻⁴ ~mol ~L ⁻¹ s ⁻¹ . The rate appearance of SO ₃ is 2024If for a first order reaction, the value of A and E_a are 4 10¹³ ~s ⁻¹ and 98.6 ~kJ ~mol ⁻¹ respectively, then at what temperature will its half life period be 10 minutes? 2024In the chemical reaction A B , what is the order of the reaction? Given that, the rate of reaction doubles if the concentration of A is increased four times. 2024Calculate the activation energy of a reaction, whose rate constant doubles on raising the temperature from 300 K to 600 K . 2024In the reaction, A products, If the concentration of the reactant is doubled rate of the reaction remains unchanged. The order of the reaction with respect to A is 2024In a first order reaction, the concentration of the reactant, decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the concentration to change from 0.1 M to 0.025 M is 2024For the decomposition of azomethane, CH ₃ ~N ₂ CH ₃( ~g ) CH ₃ CH ₃( ~g )+ N ₂( ~g ) a first order reaction, the variation in partial pressure with time at 600 ~K is given as The h 2023Plots showing the variation of the rate constant (k) with temperature (T) are given below. The plot that follows Arrhenius equation is 2023 Full Chemical Kinetics list All BITSAT PYQs