試題詳解

8. Which of the following is the correct order for molecules from most to least polar?
(A) CH₄ > CF₂Cl₂ > CF₂H₂ > CCl₄ > CCl₂H₂ 
(B) CH₄ > CF₂H₂ > CF₂Cl₂ > CCl₄ > CCl₂H₂
(C) CF₂Cl₂ > CF₂H₂ > CCl₂H₂ > CH₄ = CCl₄   
(D) CF₂H₂ > CCl₂H₂ > CF₂Cl₂ > CH₄ = CCl₄
(E) CF₂Cl₂ > CF₂H₂ > CCl₄ > CCl₂H₂ > CH₄