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Solutions question

2005 · Q90
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Solutions question

2005 · Q90

NEETChemistrySolutionsMCQ+4 / −1
A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressures of the pure hydrocarbons at 20oC are 440 mm Hg for pentane and 120 mm Hg for hexane. The mole fraction of pentane in the vapour phase would be
  1. A
    0.200
  2. B
    0.549
  3. C
    0.786
  4. D
    0.478
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