
(a)
Interpretation:
The intermediate and the catalyst of the reaction have to be given.
Concept Introduction:
Intermediate:
An intermediate is a substance formed during a reaction between reactants and the product. Intermediates tend to be extremely reactive and short lived so they represent a low concentration in a
Example: Consider the reaction
The steps could be,
The D could be the intermediate of the reaction.
Catalyst:
The catalyst is a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions.
(b)
Interpretation:
The free radicals in the reaction mechanism have to be given.
(c)
Interpretation:
The initiating, propagating and terminating steps of the reaction has to be given.
(d)
Interpretation:
The chain terminating step has to be given.

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Chapter 7 Solutions
Chemical Principles: The Quest for Insight
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