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The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is
- a)crystallisation
- b)distillation under reduced pressure
- c)distillation
- d)steam distillation
Correct answer is option 'D'. Can you explain this answer?
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The fragrance of flowers is due to the presence of some steam volatile...
Steam distillation technique is applied to separate substances which are steam volatile and are immiscible with water.
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The fragrance of flowers is due to the presence of some steam volatile...
Introduction to Essential Oils
Essential oils are steam volatile organic compounds responsible for the characteristic fragrance of flowers. These oils are crucial in various industries, including perfumery and aromatherapy.
Properties of Essential Oils
- Insolubility in Water: Essential oils generally do not dissolve in water at room temperature, making extraction challenging.
- Miscibility with Water Vapour: In the vapor phase, they can mix with water vapor, facilitating their extraction.
Extraction Methods
Several methods can be employed to extract essential oils, but the most suitable method in this context is steam distillation.
Why Steam Distillation?
- Efficient Extraction: Steam distillation utilizes steam to vaporize the essential oils contained in flowers. The steam carries the oils with it, allowing for efficient extraction without damaging the delicate compounds.
- Low Temperature: This method operates at lower temperatures compared to other distillation methods, preventing the degradation of heat-sensitive compounds in the essential oils.
- Separation: After vaporization, the mixture of steam and essential oils is cooled, condensing back into liquid form. The essential oils can then be separated from the water.
Other Methods Explained
- Crystallization: This method is not suitable as it involves solidifying compounds, which is not applicable to volatile oils.
- Distillation Under Reduced Pressure: While this method can extract some compounds, it is generally more complex and not as effective for essential oils.
- Standard Distillation: This method may not preserve the integrity of the delicate oils due to higher temperatures.
Conclusion
In summary, steam distillation is the most appropriate method for extracting essential oils from flowers, ensuring efficiency while preserving the quality of the oils.
Essential oils are steam volatile organic compounds responsible for the characteristic fragrance of flowers. These oils are crucial in various industries, including perfumery and aromatherapy.
Properties of Essential Oils
- Insolubility in Water: Essential oils generally do not dissolve in water at room temperature, making extraction challenging.
- Miscibility with Water Vapour: In the vapor phase, they can mix with water vapor, facilitating their extraction.
Extraction Methods
Several methods can be employed to extract essential oils, but the most suitable method in this context is steam distillation.
Why Steam Distillation?
- Efficient Extraction: Steam distillation utilizes steam to vaporize the essential oils contained in flowers. The steam carries the oils with it, allowing for efficient extraction without damaging the delicate compounds.
- Low Temperature: This method operates at lower temperatures compared to other distillation methods, preventing the degradation of heat-sensitive compounds in the essential oils.
- Separation: After vaporization, the mixture of steam and essential oils is cooled, condensing back into liquid form. The essential oils can then be separated from the water.
Other Methods Explained
- Crystallization: This method is not suitable as it involves solidifying compounds, which is not applicable to volatile oils.
- Distillation Under Reduced Pressure: While this method can extract some compounds, it is generally more complex and not as effective for essential oils.
- Standard Distillation: This method may not preserve the integrity of the delicate oils due to higher temperatures.
Conclusion
In summary, steam distillation is the most appropriate method for extracting essential oils from flowers, ensuring efficiency while preserving the quality of the oils.
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The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers isa)crystallisationb)distillation under reduced pressurec)distillationd)steam distillationCorrect answer is option 'D'. Can you explain this answer?
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The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers isa)crystallisationb)distillation under reduced pressurec)distillationd)steam distillationCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers isa)crystallisationb)distillation under reduced pressurec)distillationd)steam distillationCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers isa)crystallisationb)distillation under reduced pressurec)distillationd)steam distillationCorrect answer is option 'D'. Can you explain this answer?.
The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers isa)crystallisationb)distillation under reduced pressurec)distillationd)steam distillationCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers isa)crystallisationb)distillation under reduced pressurec)distillationd)steam distillationCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers isa)crystallisationb)distillation under reduced pressurec)distillationd)steam distillationCorrect answer is option 'D'. Can you explain this answer?.
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