Concept explainers
(a)
Interpretation:
The overall kinetic order, order in each reactant and dimensions of the rate constant of an addition reaction of bromine to an
Concept introduction:
The kinetic order of a reaction is given by the sum of the powers of all concentrations in the rate law.
The kinetic order in each reactant is the power to which its concentration is raised in the rate law.
Answer to Problem 9.6P
Overall kinetic order of the addition reaction of bromine to an alkene with
The reaction is first order in alkene and second order in bromine.
The dimensions of the rate constant
Explanation of Solution
The rate law for the addition reaction of bromine to an alkene is shown below.
The overall kinetic order of the reaction is the sum of power of concentration of alkene
The rate law for the addition reaction of bromine to an alkene is shown below.
The power of concentration of alkene is one and power of concentration of bromine is two. Therefore, reaction is first order in alkene and second order in bromine.
The rate law is shown below.
Rearrange equation
Therefore, the dimensions of the rate constant
Overall kinetic order of the addition reaction of bromine to an alkene with
The reaction is first order in alkene and second order in bromine.
The dimensions of the rate constant
(b)
Interpretation:
The overall kinetic order, order in each reactant and dimensions of the rate constant of substitution reaction of an
Concept introduction:
The kinetic order of a reaction is given by the sum of the powers of all concentrations in the rate law.
The kinetic order in each reactant is the power to which its concentration is raised in the rate law.
Answer to Problem 9.6P
Overall kinetic order of the substitution reaction of an alkyl halide with the rate law
The reaction is first order in alkyl halide.
The dimensions of the rate constant
Explanation of Solution
The rate law for the substitution reaction of an alkyl halide is shown below.
The overall kinetic order of the reaction is the power of concentration of an alkyl halide. Therefore, the overall kinetic order of the substitution reaction of an alkyl halide is
The rate law for the substitution reaction of an alkyl halide is shown below.
The power of concentration of an alkyl halide is one. Therefore, reaction is first order in alkyl halide.
The rate law is shown below.
Rearrange equation
Therefore, the dimensions of the rate constant
Overall kinetic order of the substitution reaction of an alkyl halide with the rate law
The reaction is first order in alkyl halide.
The dimensions of the rate constant
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Chapter 9 Solutions
Organic Chemistry
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