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Total vapour pressure of mixture of 1 mole of a volatile component A (p°A = 100 mm Hg) and 3 moles of volatile component B(p°B = 60 mm Hg) is 75 mm Hg. For such case, 
  • a)
    positive deviation frm raults law
  • b)
    negative deviation from raults law
  • c)
    boiling point is lowered
  • d)
    force of attraction between A and B is less than between A and A,A and B
Correct answer is option 'A,C,D'. Can you explain this answer?
Verified Answer
Total vapour pressure of mixture of 1 mole of a volatile component A (...
But, actual vapour pressure = 75 mm Hg. Vapour pressure is increased. Force of attraction between A and B is smaller than between A and A and between B and B. Thus, more vaporisation due to decrease in boiling point, a case of positive deviation.
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Most Upvoted Answer
Total vapour pressure of mixture of 1 mole of a volatile component A (...
A = 100 mmHg) and 2 moles of volatile component B (pB = 50 mmHg) at a given temperature can be calculated using Dalton's law of partial pressures:

Total pressure = pA + pB = 100 mmHg + 50 mmHg = 150 mmHg

This means that at the given temperature, the total pressure exerted by the vapours of both components in the mixture is 150 mmHg.
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Total vapour pressure of mixture of 1 mole of a volatile component A (p°A = 100 mm Hg) and 3 moles of volatile component B(p°B = 60 mm Hg) is 75 mm Hg. For such case,a)positive deviation frm raults lawb)negative deviation from raults lawc)boiling point is loweredd)force of attraction between A and B is less than between A and A,A and BCorrect answer is option 'A,C,D'. Can you explain this answer?
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Total vapour pressure of mixture of 1 mole of a volatile component A (p°A = 100 mm Hg) and 3 moles of volatile component B(p°B = 60 mm Hg) is 75 mm Hg. For such case,a)positive deviation frm raults lawb)negative deviation from raults lawc)boiling point is loweredd)force of attraction between A and B is less than between A and A,A and BCorrect answer is option 'A,C,D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Total vapour pressure of mixture of 1 mole of a volatile component A (p°A = 100 mm Hg) and 3 moles of volatile component B(p°B = 60 mm Hg) is 75 mm Hg. For such case,a)positive deviation frm raults lawb)negative deviation from raults lawc)boiling point is loweredd)force of attraction between A and B is less than between A and A,A and BCorrect answer is option 'A,C,D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Total vapour pressure of mixture of 1 mole of a volatile component A (p°A = 100 mm Hg) and 3 moles of volatile component B(p°B = 60 mm Hg) is 75 mm Hg. For such case,a)positive deviation frm raults lawb)negative deviation from raults lawc)boiling point is loweredd)force of attraction between A and B is less than between A and A,A and BCorrect answer is option 'A,C,D'. Can you explain this answer?.
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