Unsaturated hydrocarbons
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Under the same conditions of pressure, temperature, and hydrogen concentration, which is more readily hydrogenated and saturated, olefins or alkynes? Does the hydrogenation of alkynes require conversion to alkenes, as they cannot be saturated directly? Which is more likely to cause coking in catalysts, olefins or alkynes?
Could it be that the alkyne first converts to an alkene and then becomes saturated? Wait for a master to appear
Generally speaking, alkynes are definitely hydrogenated to form alkenes first, unless the triple bond in the alkyne breaks simultaneously, which doesn’t happen usually; therefore, alkenes are more likely to be saturated. But alkynes can be easily hydrogenated to form alkenes – that’s my personal opinion. Please forgive any shortcomings. . .