A heterogeneous catalyst surface catalyzes the hydrogenation reaction of ethylene to form ethane. Which of the following elementary steps would not occur?
W) Hydrogen dissociating on the surface
X) Gas phase addition of hydrogen to ethylene
Y) Ethylene adsorbing
Z) Adsorbed hydrogen adding to adsorbed ethylene
✔️Answer:GAS PHASE ADDITION OF HYDROGEN TO ETHYLENE
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