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Consider the mechanism below in which the first two steps are fast and reversible
CHEMISTRY · Subjective · AP · Chemistry · Kinetics · Kinetics
Problem
Consider the mechanism below in which the first two steps are fast and reversible, and the third step is slow: 1.
A
+
B
⇌
C
\text{A}+\text{B} \rightleftharpoons \text{C}
A
+
B
⇌
C
(
K
1
)
(K_1)
(
K
1
)
2.
C
+
B
⇌
D
\text{C}+\text{B} \rightleftharpoons \text{D}
C
+
B
⇌
D
(
K
2
)
(K_2)
(
K
2
)
3.
D
→
Products
\text{D} \rightarrow \text{Products}
D
→
Products
(
k
slow
)
(k_{\text{slow}})
(
k
slow
)
Derive the rate law for the overall reaction in terms of
[
A
]
[\text{A}]
[
A
]
,
[
B
]
[\text{B}]
[
B
]
,
K
1
K_1
K
1
,
K
2
K_2
K
2
, and
k
slow
k_{\text{slow}}
k
slow
.
Related theory
Reaction Mechanisms
Chemical Kinetics
Reaction mechanism
Pre-Equilibrium Approximation
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