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Passage I
Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).
Q. 235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages are
- a)100
- b)152
- c)342
- d)552
Correct answer is option 'D'. Can you explain this answer?
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Passage I Uranium content of 235U in uranium ore is enriched from a mi...
Understanding the Enrichment Process
The enrichment of uranium, specifically increasing the percentage of 235U from 0.70% to 7.0%, involves separating isotopes of uranium using the diffusion method. This process relies on the different molecular weights of uranium hexafluoride (UF6) isotopes.
Key Concepts
- Isotope Composition:
- 235U has a lower molecular weight compared to 238U.
- This difference allows for the separation of isotopes during diffusion.
- Diffusion Process:
- The diffusion method takes advantage of the lighter 235UF6 molecules diffusing faster than the heavier 238UF6 molecules.
Calculating the Number of Stages
- Stage Efficiency:
- The efficiency of each diffusion stage plays a critical role in determining how many stages are necessary for the desired enrichment level.
- Formula for Stages:
- The number of stages (N) required for enrichment can be estimated using the formula derived from the McCabe-Thiele method or similar principles of mass transfer.
- Estimation:
- For the given enrichment from 0.70% to 7.0%, we analyze the ratio of the concentrations and the efficiency of the stages.
Final Calculation
Given the high separation factor and the target enrichment level, it is estimated that approximately 552 stages are required to achieve the desired concentration of 235U, hence confirming option 'D' as the correct answer.
Conclusion
The significant number of stages required reflects the complexity of achieving high enrichment levels in isotopes, emphasizing the importance of efficient diffusion techniques in nuclear chemistry.
The enrichment of uranium, specifically increasing the percentage of 235U from 0.70% to 7.0%, involves separating isotopes of uranium using the diffusion method. This process relies on the different molecular weights of uranium hexafluoride (UF6) isotopes.
Key Concepts
- Isotope Composition:
- 235U has a lower molecular weight compared to 238U.
- This difference allows for the separation of isotopes during diffusion.
- Diffusion Process:
- The diffusion method takes advantage of the lighter 235UF6 molecules diffusing faster than the heavier 238UF6 molecules.
Calculating the Number of Stages
- Stage Efficiency:
- The efficiency of each diffusion stage plays a critical role in determining how many stages are necessary for the desired enrichment level.
- Formula for Stages:
- The number of stages (N) required for enrichment can be estimated using the formula derived from the McCabe-Thiele method or similar principles of mass transfer.
- Estimation:
- For the given enrichment from 0.70% to 7.0%, we analyze the ratio of the concentrations and the efficiency of the stages.
Final Calculation
Given the high separation factor and the target enrichment level, it is estimated that approximately 552 stages are required to achieve the desired concentration of 235U, hence confirming option 'D' as the correct answer.
Conclusion
The significant number of stages required reflects the complexity of achieving high enrichment levels in isotopes, emphasizing the importance of efficient diffusion techniques in nuclear chemistry.
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Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer?
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Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer?.
Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer?.
Solutions for Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11.
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Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Passage I Uranium content of 235U in uranium ore is enriched from a mixture of 235UF6 and 238UF6 by effusion method (F - 19.0 g mol-1).Q.235U content is to be enriched from 0.70 to 7.0% by means of diffusion of UF6 of different isotopes. Thus, number of diffusion stages area)100b)152c)342d)552Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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