The reaction of ozone with oxygen atoms in the presence of chlorine atoms can occur by a two step process shown below : O₃(g) + Cl… (g) … O₂(g) + ClO… (g) . . . . . .(i) k_i = 5.2 × 10⁹ L mol^−1 s^−1 ClO…(g) + O…(g) … O₂(g) + Cl… (g) . . . . . . (ii) k_ii = 2.6 × 10¹⁰ L mol^−1 s^−1 The closest rate constant for the overall reaction O₃(g) + O… (g) … 2 O₂(g) is :

Chemical Kinetics and Nuclear Chemistry

JEE Main 2016 · 9 Apr, Morning shift · Q496

ChemistryMedium71×since 2002Q496

The reaction of ozone with oxygen atoms in the presence of chlorine atoms can occur by a two step process shown below : O₃(g) + Cl

{^ \bullet }

(g)

\to

O₂(g) + ClO

{^ \bullet }

(g) . . . . . .(i) k_i = 5.2 × 10⁹ L mol^−1 s^−1 ClO

{^ \bullet }

(g) + O

{^ \bullet }

(g)

\to

O₂(g) + Cl

{^ \bullet }

(g) . . . . . . (ii) k_ii = 2.6 × 10¹⁰ L mol^−1 s^−1 The closest rate constant for the overall reaction O₃(g) + O

{^ \bullet }

(g)

\to

2 O₂(g) is :

Chemical Kinetics and Nuclear Chemistry — JEE Main 2016 · 9 Apr, Morning shift · Q496 · Alror