問題詳情

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

參考答案

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