Q. 75.0( 2 Votes )

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Answer :

The addition of hydrogen to an unsaturated hydrocarbon to obtain a saturated hydrocarbon is called hydrogenation.

Example- It has important industrial applications like preparation of vegetable ghee from vegetable oil.

Essential conditions for the reaction are:

a) Presence of an unsaturated hydrocarbon.

b) Presence of a catalyst such as nickel (Ni) or palladium.

The changes in the physical property with the formation of the product are as mentioned-

a) Change of unsaturated compound from the liquid state to saturated compound in solid state.

b) The boiling or melting points of a product are increased.

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