A catalyst: I) lowers activation energy II) uses an existing reaction pathway III) is not consumed in the reaction and therefore does not appear in the chemical equation of eachmechanism IV) speeds up a reaction V) is homogeneous if it is in a different phase than the reactants

Chemistry for Today: General, Organic, and Biochemistry
9th Edition
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Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
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Chapter8: Reaction Rates And Equilibrium
Section: Chapter Questions
Problem 8.20E: In each of the following, which reaction mechanism assumption is apparently being violated? Explain...
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A catalyst:
I) lowers activation energy
II) uses an existing reaction pathway
III) is not consumed in the reaction and therefore does not appear in the chemical equation of each
mechanism
IV) speeds up a reaction
V) is homogeneous if it is in a different phase than the reactants
 
 
 
I, III, and IV
 
I, IV, and V
 
II, III, and IV
 
II and IV
 
I, II, IV, and V
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