問題詳情
42. 右列各分子中，哪些具有極性？ (a) NF3 (b) CH2Cl2 (c) SF4 (d) IF5 (e)XeF4
(A)全部皆具極性
(B)a、 b、 c、 d
(C)b、 c
(D)a、 b、 d。
(A)全部皆具極性
(B)a、 b、 c、 d
(C)b、 c
(D)a、 b、 d。
參考答案
答案：B
難度：非常簡單1
統計：A(0),B(2),C(0),D(0),E(0)
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