A reaction takes place in two steps,a. Write the overall reaction. b. Identify the reaction intermediate. c. What is the molecularity of each step? - Chemistry

Short Note

Answer the following in brief.

A reaction takes place in two steps,

1. \[\ce{NO_{(g)} + Cl2_{(g)} -> NOCl2_{(g)}}\]

2. \[\ce{NOCl2_{(g)} + NO_{(g)} -> 2NOCl_{(g)}}\]

a. Write the overall reaction.
b. Identify the reaction intermediate.
c. What is the molecularity of each step?

i. The overall reaction: \[\ce{2NO_{(g)} + Cl_{2(g)} -> 2NOCl_{(g)}}\]

ii. Since, NOCl₂ is formed in the first step and consumed in the second step. Hence, it is the reaction intermediate.

iii. The molecularity of each step is 2 because two reactants are involved in each of the steps.

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Chapter 6 Chemical Kinetics
Exercise | Q 3.03 | Page 136