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Direction (Q. Nos. 18-21) This section contains 2 paragraph, wach describing theory, experiments, data etc. three Questions related to paragraph have been given.Each question have only one correct answer among the four given options (a),(b),(c),(d).
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. Enrichment factor is
  • a)
    1.0043
  • b)
    0.996
  • c)
    0.923
  • d)
    1.0064
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Direction (Q. Nos. 18-21) This section contains 2paragraph, wach descr...
The correct answer is option A.
The first step is to calculate the molar mass of UF6 containing 235U and 238U. For the success of the separation method, fluorine consists of a single isotope of atomic mass 18.998. The molar mass of 235UF6 is
234.04 + (6)(18.998) = 349.03 g/mol
The molar mass of 238UF6 is
238.05 + (6)(18.998) = 352.04 g/mol
The difference is only 3.01 g/mol (less than 1%). The ratio of effusion rates can be calculated from Graham’s Law using
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Direction (Q. Nos. 18-21) This section contains 2paragraph, wach describing theory, experiments, data etc. three Questions related to paragraph have been given.Each question have only one correct answer among the four given options (a),(b),(c),(d).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.Enrichment factor isa)1.0043b)0.996c)0.923d)1.0064Correct answer is option 'A'. Can you explain this answer?
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Direction (Q. Nos. 18-21) This section contains 2paragraph, wach describing theory, experiments, data etc. three Questions related to paragraph have been given.Each question have only one correct answer among the four given options (a),(b),(c),(d).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.Enrichment factor isa)1.0043b)0.996c)0.923d)1.0064Correct answer is option 'A'. 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 Direction (Q. Nos. 18-21) This section contains 2paragraph, wach describing theory, experiments, data etc. three Questions related to paragraph have been given.Each question have only one correct answer among the four given options (a),(b),(c),(d).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.Enrichment factor isa)1.0043b)0.996c)0.923d)1.0064Correct answer is option 'A'. 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 Direction (Q. Nos. 18-21) This section contains 2paragraph, wach describing theory, experiments, data etc. three Questions related to paragraph have been given.Each question have only one correct answer among the four given options (a),(b),(c),(d).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.Enrichment factor isa)1.0043b)0.996c)0.923d)1.0064Correct answer is option 'A'. Can you explain this answer?.
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