問題詳情


A. The following plot shows a vapor pressure of various solutions of components A and B at some temperature.



 Which of the following statements is false concerning solutions of A and B? If it is false, correct it. (6%)

(A)The solutions exhibit negative deviations from Raoult's law.

(B)ΔHsoln for the solutions should be endothermic.

(C)The intermolecular forces are weaker in solution than in either pure A or pure B.

(D) Pure liquid B is more volatile than pure liquid A.
(E)The solution with x = 0.6 will have a lower boiling point than either pure A or pure B.

參考答案

答案:99

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中