When partial pressure of solvent in solution of nonvolatile solute is plotted against its mole fraction, nature of graph is
A. a straight line passing through origin
B. a straight line parallel to mole fraction of solvent
C. a straight line parallel to vapour pressure of solvent
D. a straight line intersecting vapour pressure axis
Answer:A
When partial pressure of solvent in solution of nonvolatile solute is plotted against its mole fraction, nature of graph is
A. a straight line passing through origin B. a straight line parallel to mole fraction of solvent C. a straight line parallel to vapour pressure of solvent D. a straight line intersecting vapour pressure axis