Molecule A can undergo unimolecular reaction to product P either directly according to mechanism (1) (1)...
Molecule A can undergo unimolecular reaction to product P either directly according to mechanism (1)
(1)
A -> P (k1)
or via an intermediate according to mechanism (2):
(2)
A + M -> A* (k1)
A* + M -> A (k2)
A* -> P (k3)
A. Mechanism 1
If mechanism 1 operates, show that the concentration of [P] vs time is 1st order in [A]
B. Mechanism 2
From mechanism (2), derive an expression for the production rate d[P]/dt in terms of [A] and [M]
C. Mechanism 2
Under what conditions might mechanism (2) still give apparent 1st order kinetics in [A]? (This is the so-called “pseudo first-order” kinetics condition.
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Molecule A can undergo unimolecular reaction to product P either
directly according to mechanism (1)
(1)...
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