Class 10 Exam > Class 10 Questions > In the hydrogenation of vegetable oils, the u...
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In the hydrogenation of vegetable oils, the unsaturated hydrocarbons generally add hydrogen in the presence of:
- a)Copper
- b)Oxygen
- c)Nickel
- d)Sunlight
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
In the hydrogenation of vegetable oils, the unsaturated hydrocarbons g...
Addition of hydrogen across C-C double bonds is called hydrogenation. Unsaturated hydrocarbons add hydrogen in the presence of catalysts such as nickel/palladium to give saturated hydrocarbons. Vegetable oils used for cooking are long unsaturated hydrocarbons which are healthy.
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In the hydrogenation of vegetable oils, the unsaturated hydrocarbons g...
Hydrogenation of Vegetable Oils
Hydrogenation is a chemical process that involves the addition of hydrogen to unsaturated hydrocarbons, primarily found in vegetable oils. This process is widely used to convert liquid oils into solid or semi-solid fats, such as margarine.
Role of Nickel in Hydrogenation
- Nickel is a catalyst commonly used in the hydrogenation process.
- It facilitates the addition of hydrogen to the double bonds of unsaturated fatty acids, converting them into saturated ones.
- The use of nickel increases the reaction rate and efficiency, making the process economically viable.
Why Not Other Options?
- Copper: While copper can act as a catalyst in some reactions, it is not effective for hydrogenation of vegetable oils.
- Oxygen: Oxygen would lead to oxidation rather than hydrogenation, which is the opposite of what is desired in this process.
- Sunlight: Sunlight is not relevant to the hydrogenation reaction, as it typically does not play a role in facilitating the chemical addition of hydrogen.
Conclusion
The correct choice for the catalyst in the hydrogenation of vegetable oils is Nickel (option C). Its effectiveness and ability to enhance the reaction make it essential for transforming unsaturated oils into more stable forms suitable for consumption and cooking.
Hydrogenation is a chemical process that involves the addition of hydrogen to unsaturated hydrocarbons, primarily found in vegetable oils. This process is widely used to convert liquid oils into solid or semi-solid fats, such as margarine.
Role of Nickel in Hydrogenation
- Nickel is a catalyst commonly used in the hydrogenation process.
- It facilitates the addition of hydrogen to the double bonds of unsaturated fatty acids, converting them into saturated ones.
- The use of nickel increases the reaction rate and efficiency, making the process economically viable.
Why Not Other Options?
- Copper: While copper can act as a catalyst in some reactions, it is not effective for hydrogenation of vegetable oils.
- Oxygen: Oxygen would lead to oxidation rather than hydrogenation, which is the opposite of what is desired in this process.
- Sunlight: Sunlight is not relevant to the hydrogenation reaction, as it typically does not play a role in facilitating the chemical addition of hydrogen.
Conclusion
The correct choice for the catalyst in the hydrogenation of vegetable oils is Nickel (option C). Its effectiveness and ability to enhance the reaction make it essential for transforming unsaturated oils into more stable forms suitable for consumption and cooking.
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In the hydrogenation of vegetable oils, the unsaturated hydrocarbons generally add hydrogen in the presence of:a)Copperb)Oxygenc)Nickeld)SunlightCorrect answer is option 'C'. Can you explain this answer?
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