What product would you expect to obtain from the catalytic hydrogenation of the mentioned alkene?...


What product would you expect to obtain from the alkene's catalytic hydrogenation of the mentioned alkene?


Redox Reactions:

An oxidation-reduction or redox reaction is characterized by the change in the oxidation number of some of the elements in the reaction. Organic compounds are said to undergo an oxidation reaction when there is an increase in the number of oxygen atoms and/or a decrease in the number of hydrogen atoms. On the other hand, these compounds undergo a reduction process when their number of oxygen atoms decreases and/or their number of hydrogen atoms increases.

Answer and Explanation: 1

Alkenes are organic compounds that have a C=C= bond present, where this bond is not part of an aromatic ring such as benzene. When they undergo catalytic hydrogenation, the alkene is reduced to an alkane. This is characterized by the breakage of the pi bond in the C=C bond and the attachment of a hydrogen atom to each carbon.

The structure of 3,3-dimethylcyclopent-1-ene is shown in Figure 1. In the presence of a catalyst, reacting this alkene with hydrogen gas, {eq}\rm H_2 {/eq}, results in its reduction. The product's structure is drawn in Figure 1.

Figure 1

The catalysts of a hydrogenation reaction are usually palladium, platinum, or nickel.

Learn more about this topic:

Catalytic Hydrogenation of Alkenes: Mechanism & Explanation


Chapter 3 / Lesson 9

Learn about the hydrogenation of alkenes. Understand that hydrogenation of alkenes is the reduction of alkenes, and step by step of hydrogenation mechanism.

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