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Interpretation:
For the given reaction mechanism the rate of formation of ethylene oxide has to be shown as Rate = k2K[CH2ClCH2OH][OH−]
Concept Introduction:
The
The raise in molar concentration of product of a reaction per unit time or decrease in molarity of reactant per unit time is called rate of reaction and is expressed in units of mol/(L.s) .
The equation that relates the reaction rate to the reactants concentrations that is raised to various powers is called as rate law.
Rate law can be determined by the slow step or otherwise called as rate-determining step.
Rate constant is defined as proportionality constant in the connection between rate and concentrations.
Equilibrium constant(Kc): A system is said to be in equilibrium when all the measurable properties of the system remains unchanged with the time. Equilibrium constant is the ratio of the rate constants of the forward and reverse reactions at a given temperature.
Consider the reaction where the reactant A is giving product B.
A⇌B
Rate of forward reaction = Rate of reverse reactionkf[A] =kr[B]
On rearranging, [A] [B]=kfkr=Kc
Where,
kf is the rate constant of the forward reaction.
kr is the rate constant of the reverse reaction.
Kc is the equilibrium constant.
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Chapter 6 Solutions
Elements Of Physical Chemistry
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