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Rate Law Homework Problem

  • Thread starter shawonna23
  • Start date
  • #1
146
0

Homework Statement


Cerium and thallium ions react as follows:

2Ce4+ (aq) + Tl+ (aq) ---> 2Ce3+ (aq) + Tl3+ (aq)

This reaction is very slow and is thought to occur in a single elementary step. The reaction is catalyzed by the addition of Mn2+(aq) according to the following mechanism:

Ce(4+) + Mn(2+) ------> Ce(3+) + Mn(3+)
Ce(4+) + Mn(3+) ------> Ce(3+) + Mn(4+)
Tl(+) + Mn(4+) ------> Tl(3+) + Mn(2+)

What is the rate law for the uncatalyzed reaction?

Homework Equations





The Attempt at a Solution



Rate=k [Ce4+]^2 [Mn2+]


The rate law of the catalyzed reaction is Rate=k[Ce4+][Mn2+]
 

Answers and Replies

  • #2
146
0
i meant Rate=k [Ce4+]^2 [Tl+] for the uncatalyzed reaction
 
  • #3
Borek
Mentor
28,447
2,841
Looks logical.
 

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