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The plot of 1 Y A Vs 1 X A ( 1 Y A on y-axis) where A and B form a ideal solution. Y is mole fraction in vapour phase and X is mole fraction in liquid phase, is linear with slope and intercept respectively

Options

  1. Ap A 0 p B 0 and p A 0 - p B 0 p B 0
  2. Bp A 0 p B 0 and p B 0 - p A 0 p B 0
  3. Cp B 0 p A 0 and p A 0 - p B 0 p A 0
  4. Dp B 0 p A 0 and p B 0 - p A 0 p B 0

Correct answer

C. p B 0 p A 0 and p A 0 - p B 0 p A 0

Step-by-step solution

1 y A = p B 0 + ( p A 0 - p B 0 ) X A p A 0 X A 1 y A = p B 0 p A 0 1 X A + p A 0 - p B 0 p A 0 y = m x + c Slope = p B 0 p A 0 Intercept = p A 0 - p B 0 p A 0

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