H2 Separated H atoms Metal Ethene surface (C,H,) 1 H, adsorbs to metal surface 2 Rate-limiting step is H-H bond breakage. Ethane (C2H) (3 After C,H, adsorbs, one C-H forms. 4 Another C-H bond forms; C,Ho leaves surface.
H2 Separated H atoms Metal Ethene surface (C,H,) 1 H, adsorbs to metal surface 2 Rate-limiting step is H-H bond breakage. Ethane (C2H) (3 After C,H, adsorbs, one C-H forms. 4 Another C-H bond forms; C,Ho leaves surface.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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Figure shows key steps in the metal-catalyzed (M) hydrogenation of ethylene C₂H₄(g)+H₂(g) →C₂H₆(g):MUse the following symbols to write a mechanism that gives theoverall equation:H₂(ads)adsorbed hydrogen moleculesM-Hhydrogen atoms bonded to metal atoms C₂H₄(ads)adsorbed ethylene molecules C₂H₅(ads)adsorbed ethyl radicals
Transcribed Image Text:H2
Separated
H atoms
Metal
Ethene
surface
(C,H,)
1 H, adsorbs to metal surface
2 Rate-limiting step is H-H bond breakage.
Ethane
(C2H)
(3 After C,H, adsorbs, one C-H forms.
4 Another C-H bond forms; C,Ho leaves surface.
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