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Minimum criteria a proposed mechanism should meet

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It must make experimentally testable predictions that, if not verified, would prove it false. ... Each step in a mechanism should be energetically favorable. ... – PowerPoint PPT presentation

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Title: Minimum criteria a proposed mechanism should meet


1
Minimum criteria a proposed mechanism should meet
  • It must be consistent with all of the
    experimental data.
  • It must make experimentally testable predictions
    that, if not verified, would prove it false.
  • If several mechanisms are consistent with the
    known data, prefrerence is given to the least
    complicated one.
  • In any multistep mechanism, individual steps
    should be unimolecular or bimolecular.
  • Each step in a mechanism should be energetically
    favorable.
  • Each step in a mechanism should be chemically
    reasonable.
  • Where possible, ad hoc additions to a mechanism
    as devices to explain away inconsistencies with
    experimental facts should be avoided.

2
Proposing a Mechanism
3
Proposing a mechanism utilizing the experimental
rate law
4
Proposing a mechanism utilizing the experimental
rate law - contd.
5
Proposing a mechanism utilizing the experimental
rate law - contd.
6
Proposing a mechanism utilizing the experimental
rate law - contd.
7
Proposing a mechanism - Example 1
8
Proposing a mechanism - Example 1
9
Proposing a mechanism - Example 1
10
Proposing a mechanism - Example 1
11
Proposing a mechanism - Example 2
12
Proposing a mechanism - Example 2
13
Proposing a mechanism - Example 2
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Proposing a mechanism - Example 3
15
Proposing a mechanism - Example 3
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Proposing a mechanism - Example 3
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Proposing a mechanism - Example 4
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Proposing a mechanism - Example 4
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Proposing a mechanism - Example 4
20
A Mechanism Exercise
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