Question

Which one of the following is incorrect for ideal solution ?

• A. $\Delta H_{mix} = 0$
• B. $\Delta U_{mix} = 0$
• C. $\Delta P = P_{obs} - P_{calculated \,by\, Raoult?? \,law} = 0$
• D. $\Delta G_{mix} = 0$

Answer 1

Answer: (D)

$\Delta G_{mix} = 0$

Answer 2

$\Delta G_{mix}$ should be less than zero