Return to Contents Chapter 6: Addition Reactions of Alkenes Ch 5 contents
Hydrogenation of Alkenes
Reaction Type: Electrophilic Addition


Related reactions
Step 1:
Hydrogen gets absorbed onto the metal surface. 
schematic diagram of catalytic hydrogenation
Step 2:
Alkene approaches the H atoms absorbed on the metal surface.
Step 3:
C=C  reacts with the H atoms on the surface forming the two new C-H
σ bonds.

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organic chemistry © Dr. Ian Hunt, Department of Chemistry University of Calgary