Question

Addition of hydrogen ​

Answer 1

Hydrogenation is the addition of hydrogen to an alkene. ... In the first step, a hydrogen molecule reacts with the metal catalyst. This reaction breaks the σ bond between the hydrogen atoms and creates weak hydrogen‐metal bonds. Next, the π bond of an alkene molecule contacts the metal catalyst.

Answer 2

Answer:

Hydrogenation is the addition of hydrogen to an alkene. ... In the first step, a hydrogen molecule reacts with the metal catalyst. This reaction breaks the σ bond between the hydrogen atoms and creates weak hydrogen‐metal bonds. Next, the π bond of an alkene molecule contacts the metal catalyst.

Explanation:

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