Question

Incorrect statement about a phase diagram is

(a) Phase diagram are based on equilibrium conditions

(b) For phase equilibrium, it is assumed that the phase doesn`t remain invariant

(c) Phase diagrams enable to view the properties of two or more phases as a function of temperature, pressure and other variable

(d) None of the mentioned

This question was posed to me in an online interview.

Question is from Phase diagrams and Phase Rule-I topic in portion Multiphase Equilibrium of Chemical Process Calculation

Answer 1

Correct option is (b) For phase equilibrium, it is assumed that the phase doesn`t remain invariant

Best explanation: For phase equilibrium, it is assumed that the phase remains invariant.