A Catalyst Is Needed in the Hydrogenation of Double Bonds

question 113

Multiple Choice

A catalyst is needed in the hydrogenation of double bonds. In the first step, the reactants must come into contact with a metal surface. This step is known as ________.

• A) adsorption
• B) diffusion
• C) reaction
• D) desorption
• E) none of the above

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Definitions:

Prothallus

The free-living, haploid gametophyte in ferns and other seedless vascular plants.

Ferns

Non-flowering vascular plants that reproduce via spores and have fronds, part of the Pteridophyta division.

Vascular Plants

Plants that have specialized tissues for transporting water and nutrients throughout the organism, including ferns, conifers, and flowering plants.

Phylum

A phylum is a classification level in biological taxonomy that is below kingdom and above class, used to group together organisms that share a basic body plan.