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Propanal (CH3CH2CHO) is used in the pharmaceutical industry to make essential ingredients, organic chemicals, industrial chemicals, pesticides, and fertilizers. One of the process routes to produce propanal is via the oxo process by hydroformylation of ethylene using carbon monoxide and hydrogen in the presence of rhodium complex catalyst, according to the following reaction: H,C=CH, + CO + H, → CH,CH,CH=O It has been reported that ethylene hydroformylation occurs with a high propanal selectivity, up to 99% (Gorbunov et al., 2019). The reversible adsorption of the reactants onto the catalyst surface occurs molecularly, and the reaction kinetics is said to be limited by the irreversible surface reaction. (a) Determine a rate expression for the overall reaction. (b) Explain the purposes of determining the overall rate of reaction. (c) State whether the assumed rate-controlling step is correct or not. Justify your answer

Propanal (CH3CH2CHO) is used in the pharmaceutical industry to make essential ingredients, organic chemicals, industrial chemicals, pesticides, and fertilizers. One of the process routes to produce propanal is via the oxo process by hydroformylation of ethylene using carbon monoxide and hydrogen in the presence of rhodium complex catalyst, according to the following reaction: H,C=CH, + CO + H, → CH,CH,CH=O It has been reported that ethylene hydroformylation occurs with a high propanal selectivity, up to 99% (Gorbunov et al., 2019). The reversible adsorption of the reactants onto the catalyst surface occurs molecularly, and the reaction kinetics is said to be limited by the irreversible surface reaction. (a) Determine a rate expression for the overall reaction. (b) Explain the purposes of determining the overall rate of reaction. (c) State whether the assumed rate-controlling step is correct or not. Justify your answer

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Propanal (CH3CH2CHO) is used in the pharmaceutical industry to make essential ingredients, organic chemicals, industrial chemicals, pesticides, and fertilizers. One of the process routes to produce propanal is via the oxo process by hydroformylation of ethylene using carbon monoxide and hydrogen in the presence of rhodium complex catalyst, according to the following reaction: H,C=CH, + CO + H2 CH,CH,CH=O It has been reported that ethylene hydroformylation occurs with a high propanal selectivity, up to 99% (Gorbunov et al., 2019). The reversible adsorption of the reactants onto the catalyst surface occurs molecularly, and the reaction kinetics is said to be limited by the irreversible surface reaction. (a) Determine a rate expression for the overall reaction. (b) Explain the purposes of determining the overall rate of reaction. (c) State whether the assumed rate-controlling step is correct or not. Justify your answer
Transcribed Image Text:Propanal (CH3CH2CHO) is used in the pharmaceutical industry to make essential ingredients, organic chemicals, industrial chemicals, pesticides, and fertilizers. One of the process routes to produce propanal is via the oxo process by hydroformylation of ethylene using carbon monoxide and hydrogen in the presence of rhodium complex catalyst, according to the following reaction: H,C=CH, + CO + H2 CH,CH,CH=O It has been reported that ethylene hydroformylation occurs with a high propanal selectivity, up to 99% (Gorbunov et al., 2019). The reversible adsorption of the reactants onto the catalyst surface occurs molecularly, and the reaction kinetics is said to be limited by the irreversible surface reaction. (a) Determine a rate expression for the overall reaction. (b) Explain the purposes of determining the overall rate of reaction. (c) State whether the assumed rate-controlling step is correct or not. Justify your answer
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