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Ch 12 Problem Set 1. The reaction of NO with Cl2 is as follows: 2NO + Cl2 2NOCl

ID: 1084044 • Letter: C

Question

Ch 12 Problem Set 1. The reaction of NO with Cl2 is as follows: 2NO + Cl2 2NOCl Write appropriate elementary reactions that involve molecules of NO and Cl2 and have the following characteristics: a) A unimolecular decomposition giving Cl atoms b) A bimolecular collision in which a Cl atom is transferred between reactants c) A termolecular collision leading to the observed products. 2. Draw molecular pictures that illustrate each of the elementary reactions from Problem 1. 3. Using each of the steps in Problem 1 as the first step on the mechanism of the reaction, propose additiona steps as needed to complete a satisfactory mechanism. 4. For the net reaction described in Problem 1: a) Express the rate in terms of disappearance of Cl2. b) If Cl2 is reacting at a rate of 47 M sec1, how fast is NOCI forming?

Explanation / Answer

Ans 1

The unimolecular , bimolecular and termolecular reactions are the ones involving one , two and three molecules as the reactants in the reactions respectively.

So here :

a) Cl2 = 2Cl

b) NO + Cl2 = NOCl + Cl

c) 2NO + Cl2 = 2NOCl