According to the Phase Diagram Given,which of the Following Statements

question 45

Multiple Choice

According to the phase diagram given,which of the following statements is INCORRECT?

• A)At the temperature and pressure of point 2,substance Z exists as a three-phase equilibrium system.
• B)At the temperature and pressure of point 3,substance Z exists as a one-phase gaseous system.
• C)If the Z(s)= Z(l)= Z(g)system is maintained at the temperature of point 2 while pressure is decreased,more Z will vaporize.
• D)If liquid Z is maintained at the pressure of point 4 while the temperature is decreased to 30 °C,the liquid will vaporize.
• E)The existence of liquid Z at -50 °C and 2 atm represents the metastable condition of "supercooling."