Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method ?

Molar latent heat of the two components are equal.

Sensible heat changes for vapour & liquid are negligibly small.

Reflux is not a saturated liquid.

Heat of mixing of normal liquid is assumed to be zero.

Which of the following is not a valid assumption in continuous binary

1.	Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method ?
A.	Sensible heat changes for vapour & liquid are negligibly small.
B.	Reflux is not a saturated liquid.
C.	Molar latent heat of the two components are equal.
D.	Heat of mixing of normal liquid is assumed to be zero.
Answer» C. Molar latent heat of the two components are equal.