Reactions of ethylidene on a model chromia surface: 1,1-dichloroethane on stoichiometric α-Cr2O3 (101¯2)

► Reaction of ethylidene on α-Cr2O3 (101¯2) via dissociation of 1,1-dichloroethane. ► Primary reaction chemistry is ethylidene isomerization to ethylene. ► Trace products (<3%) acetylene, ethane, dihydrogen and 2-butene from defect sites.