Which of the following plots represents an ideal binary mixture? (a) Plot of P total (b) Plot of P, (c) Plot of total 1 P v/s 1/XB is linear (XB = mole fraction of 'B' in liquid phase). v/s Y is linear (YB = mole fraction of 'A' in vapour phase) A 1 total v/s Y is linear A (d) Plot of P total v/s YB is non linear