The rate law for the reaction (a) What is the order of the reaction? (b) A mecha

Question

The rate law for the reaction

(a) What is the order of the reaction?

(b) A mechanism involving the following steps has been proposed for the reaction

If the mechanism is coorect, what does it imply about the relative rates these two steps?

The rate law for the reaction 2NO(g)+Cl2(g) right arrow2NOCl(g) If the mechanism is coorect, what does it imply about the relative rates these two steps? Right arrowNOCl2(g) NOCl(g)+NO(g) rightarrow2NOCl(g) is given by rate=K[NO][Cl2]. (a) What is the order of the reaction? (b) A mechanism involving the following steps has been proposed for the reaction NO(g) +Cl2(g)

Explanation / Answer

a) The order of the reaction = 1 (For NO) + 1 (For Cl2 ) = 2

b) For the given mechanism - the following things must be added.

       NO (g) + Cl2 (g) -----------> NOCl2 (g) ;    (slow step)

      NOCl2 (g) + NO (g) ----------> 2 NOCl (g) ; (fast step)

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