Maleic anhydride may be prepared using two routes: Oxidation of benzene: Oxidation of but-1-ene: 92 +30₂ ܘܟ ܘ ܗܘ + 2COz + 2H,O + 3 H₂O The benzene oxidation route typically occurs in 65 % yield, while the but-1- ene route only gives yields of 55 %. (a) Assuming that each reaction is performed in the gas phase only, and that no additional chemicals are required, calculate (i) the atom economy and (ii) the effective mass yield of both reactions. You should assume that O₂, CO₂ and H₂O are not toxic. (b) Which route would you recommend to industry? Outline the factors which might influence your decision.
Maleic anhydride may be prepared using two routes: Oxidation of benzene: Oxidation of but-1-ene: 92 +30₂ ܘܟ ܘ ܗܘ + 2COz + 2H,O + 3 H₂O The benzene oxidation route typically occurs in 65 % yield, while the but-1- ene route only gives yields of 55 %. (a) Assuming that each reaction is performed in the gas phase only, and that no additional chemicals are required, calculate (i) the atom economy and (ii) the effective mass yield of both reactions. You should assume that O₂, CO₂ and H₂O are not toxic. (b) Which route would you recommend to industry? Outline the factors which might influence your decision.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Maleic anhydride may be prepared using two routes:
Oxidation of benzene:
Oxidation of but-1-ene:
76
+30₂
+ 2COz + 2H,O
+ 3 H₂O
The benzene oxidation route typically occurs in 65 % yield, while the but-1-
ene route only gives yields of 55 %.
(a) Assuming that each reaction is performed in the gas phase only, and that
no additional chemicals are required, calculate (i) the atom economy and (ii)
the effective mass yield of both reactions. You should assume that O₂, CO₂
and H₂O are not toxic.
(b) Which route would you recommend to industry? Outline the factors which
might influence your decision.
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Step 1: Interpretation of the problem
VIEWStep 2: Calculating moles of the reagent & product in benzene oxidation
VIEWStep 3: Calculating moles of the reagent & product in but-1-ene oxidation
VIEWStep 4: Atom economy of both the reations
VIEWStep 5: Effective mass yield of both the reactions
VIEWStep 6: Determining the preferable route of the reaction
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