Question

Nickel is used in the process of hydrogenation of vegetable oils. Give reason.

Answer 1

Answer:

Hydrogenation of vegetable oil has been practiced for over a century. The process was originally introduced to convert some of the unsaturated fatty acids in vegetable oils, as well as marine or animal fats to make them more stable to oxidation. ... Nickel catalyst is used in commercial hydrogenation of edible oils.

Explanation:

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Answer 2

Required Answer:-

Hydrogenation is the process of adding hydrogen in the presence of a catalyst to unsaturated compounds in order to form saturated ones.

Reason?

• Unsaturated compounds are less stable as compared to saturated compounds.
• Hence, Hydrogenation (An addition reaction) is observed in case of hydrocarbons$.$
• This occurs in presence of catalysts such as nickel and palladium to form saturated compounds.
• One of the example is seen in industries: hydrogenation to prepare vegetable ghee.
• Vegetable oils (liquid unsaturated compounds) are converted into vegetable ghee (vanaspati ghee).
• Catalyst is used to speed up a reaction.

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Other such reactions that takes place in hydrocarbons or organic compounds are:

• Combustion
• Substitution reaction.
• Addition reaction
• Oxidation
• Reaction with alkalis and acids etc.