
(a)
Interpretation:
The order of the given reaction with respect to the given complex and the given reactant has to be found.
Concept introduction:
Rate of a reaction: It represents the speed at which a
Rate of reaction depends on time, temperature, pressure, concentration, and
Rate of the reaction is the change in the concentration of reactant or a product with time. It can be varied in accordance with temperature, pressure, concentration, presence of catalyst, surface area…
General rate reaction is,
The negative sign indicates the reduction of concentration of reactant.
Integrated rate law for first order reaction:
Consider A as substance, that gives the product based on the equation,
Where a= stoichiometric co-efficient of reactant A.
Consider the reaction has first-order rate law,
The integrated rate law equation can be given as,
The above expression is called integrated rate law for first order reaction.
(a)

Explanation of Solution
Record the given data’s
Given,
Therefore, the rate is
Thus, the complete order is one. That means this is first order reaction.
(b)
Interpretation:
The rate constant for the given reaction has to be found.
Concept introduction:
Rate of a reaction: It represents the speed at which a chemical reaction runs. How much concentration of substrates (reactants) consumed and how much concentration of targets (products) formed in a unit of time is said to be rate of reaction.
Rate of reaction depends on time, temperature, pressure, concentration, and
Rate of the reaction is the change in the concentration of reactant or a product with time. It can be varied in accordance with temperature, pressure, concentration, presence of catalyst, surface area.
General rate reaction is,
The negative sign indicates the reduction of concentration of reactant.
Integrated rate law for first order reaction:
Consider A as substance, that gives the product based on the equation,
Where a= stoichiometric co-efficient of reactant A.
Consider the reaction has first-order rate law,
The integrated rate law equation can be given as,
The above expression is called integrated rate law for first order reaction.
(b)

Explanation of Solution
Record the given data’s
Given,
Therefore, the rate is
The reaction order is
Calculation for rate constant for given reaction:
Therefore, the rate constant is
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Chapter 6 Solutions
Elements Of Physical Chemistry
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