Suppose the decomposition of nitryl chloride proceeds by the following mechanism: step elementary reaction rate constant 1 NO2Cl(g) → NO2(g) +Cl(g) k1 2 Cl(g) + NO2Cl(g) → NO2(g) +Cl2(g) k2 Suppose also k1≫k2. That is, the first step is much faster than the second

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter18: Chemical Kinetics
Section: Chapter Questions
Problem 7P
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Suppose the decomposition of nitryl chloride proceeds by the following mechanism:

step elementary reaction rate constant
1
NO2Cl(g) → NO2(g) +Cl(g)
k1
2
Cl(g) + NO2Cl(g)
NO2(g) +Cl2(g)
k2

Suppose also k1≫k2. That is, the first step is much faster than the second.

Write the balanced
chemical equation for the
overall chemical reaction:
Write the experimentally-
observable rate law for the
overall chemical reaction.
rate = k||
Note: your answer should
not contain the
concentrations of any
intermediates.
Express the rate constant
k for the overall chemical
reaction in terms of k1, k2,
and (if necessary) the rate
constants k.1
k
and k-2 for
the reverse of the two
elementary reactions in
the mechanism.
Transcribed Image Text:Write the balanced chemical equation for the overall chemical reaction: Write the experimentally- observable rate law for the overall chemical reaction. rate = k|| Note: your answer should not contain the concentrations of any intermediates. Express the rate constant k for the overall chemical reaction in terms of k1, k2, and (if necessary) the rate constants k.1 k and k-2 for the reverse of the two elementary reactions in the mechanism.
Suppose the decomposition of nitryl chloride proceeds by the following mechanism:
step
elementary reaction
rate constant
1
NO,C(g)
→ NO,(9) + Cl(g)
k1
2
Cl(g) + NO,Cl(g) → NO,(9) + Cl,(9)
k2
Suppose also k,»k,. That is, the first step is much faster than the second.
Transcribed Image Text:Suppose the decomposition of nitryl chloride proceeds by the following mechanism: step elementary reaction rate constant 1 NO,C(g) → NO,(9) + Cl(g) k1 2 Cl(g) + NO,Cl(g) → NO,(9) + Cl,(9) k2 Suppose also k,»k,. That is, the first step is much faster than the second.
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