In chemistry, hydrogenation is a chemical reaction in which hydrogen is added to a compound.

Hydrogenation may be either destructive or non-destructive. In either case, the resulting products are highly stable.

Destructive Hydrogenation

The hydrocarbon chains are ruptured and hydrogen is added where the breaks have occurred.

Non-Destructive Hydrogenation

Hydrogen is added to a molecule that is unsaturated with respect ot hydrogen.

See also: Hydrogen.

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Subjects: Chemistry