Name the functional group of organic compounds that can be hydrogenated. With the help of suitable example, explain the process of hydrogenation mentioning the conditions of the reaction and any one change in physical property with the formation of the product. Name any one natural source of organic compounds that are hydrogenated.
Answers
Answer:
Both alkenes and alkynes are unsaturated hydrocarbons and therefore can be hydrogenated. The functional group in alkenes is the double bond while the functional group in alkynes is the triple bond.
Hydrogenation is defined as the process of conversion of an unsaturated compound into saturated organic compound by the addition of hydrogen in the presence of a catalyst. For example alkenes can be converted into alkanes by the carrying out hydrogenation in the presence of nickel as the catalyst. Following is the equation for the reaction
The vegetable oils are unsaturated hydrocarbons that can be converted into saturated hydrocarbons by hydrogenation. On hydrogenation, physical properties like melting point, boiling point etc change.
Answer:
The functional group of organic compounds that can be hydrogenated are ‘alkenes’ and ‘alkynes’ Hydrogen can be added to unsaturated hydrocarbons in the presence of nickel to yield saturated hydrocarbons. In this reaction, nickel acts as a catalyst. Onhydrogenation, the unsaturated fatty acids which are liquid at room temperature become saturated and change to solid. A natural source of organic compound that is hydrogenated is vegetable oil.
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