試題詳解

23. Which of the following options shows the molecules in the order from most polar to least polar? ("=" indicates that two molecules are similarly polar)
(A) CF₂Cl₂ ＞ CF₂H₂ ＞ CCl₂H₂ ＞ CH₄ = CCl₄
(B) CF₂H₂ ＞ CCl₂H₂ ＞ CF₂Cl₂ ＞ CH₄ = CCl₄
(C) CH₄＞ CF₂Cl₂ ＞ CF₂H₂ ＞ CCl₄ ＞ CCl₂H₂
(D) CF₂Cl₂ ＞ CF₂H₂ ＞ CCl₄ ＞ CCl₂H₂ ＞ CH₄
(E) CH₄ ＞ CF₂H₂ ＞ CF₂Cl₂ ＞ CCl₄ ＞ CCl₂H₂