The rate law of the given reaction has to be written. Concept Introduction: The rate of reaction is the quantity of formation of product or the quantity of reactant used per unit time. The rate of reaction doesn’t depend on the sum of amount of reaction mixture used. 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 variation in concentration of reaction or product over a certain interval of time is called average reaction rate. 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. To write the rate law of the given reaction

Question

The compound NO2Cl decomposes according to the following overall equation: 2NO2Cl à 2NO2 + Cl2 The rate law is Rate=k[NO2Cl]2/[NO2]. Determine the Lewis structures for all reactants and products. Devise a plausible mechanism for this reaction, taking into account both the balanced equation and the rate law. Demonstrate that your mechanism is plausible by deriving the rate law from the mechanism. Draw the energy profile for the mechanism.

Answer 1

Question

Chapter 13, Problem 13.120QP

Interpretation Introduction

Interpretation:

The rate law of the given reaction has to be written.

Concept Introduction:

The rate of reaction is the quantity of formation of product or the quantity of reactant used per unit time. The rate of reaction doesn’t depend on the sum of amount of reaction mixture used.

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 variation in concentration of reaction or product over a certain interval of time is called average reaction rate.

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.

To write the rate law of the given reaction

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The compound NO2Cl decomposes according to the following overall equation: 2NO2Cl à 2NO2 + Cl2 The rate law is Rate=k[NO2Cl]2/[NO2]. Determine the Lewis structures for all reactants and products. Devise a plausible mechanism for this reaction, taking into account both the balanced equation and the rate law. Demonstrate that your mechanism is plausible by deriving the rate law from the mechanism. Draw the energy profile for the mechanism.

A reaction mechanism is defined as the sequence of reaction steps that define the pathway from reactants to products. Each step in a mechanism is an elementary reaction, which describes a single molecular event of usually one or two molecules interacting. The rate law for an overall reaction is the rate law for the slowest step in the mechanism, which is directly related to the stoichiometric coefficients of the reactants. The exception to this rule occurs when the slowest step contains intermediates. In these cases, the slowest step is usually preceded by an equilibrium step, which can be used to substitute for the intermediates in the overall rate law. What is the rate law for the following mechanism in terms of the overall rate constant k? Step 1: Step 2: A + B rightleftharpoons C; B + C-> D (fast) (slow) Express your answer in terms of k and the necessary concentrations (e.g., k*[A]^ ^ 3*[D]).

Is it true that Rate law states that overall order of reaction can be determined by adding the reaction orders of the reactants? Why ?