問題詳情
21. 有關離子化合物與分子化合物之敘述，何者錯誤？
(A)離子化合物必有離子鍵，而分子化合物僅有共價鍵
(B)前者在液態時可導電，皆為電解質
(C)後者在水溶液會導電者必為電解質
(D)分子化合物的熔點與沸點通常比離子化合物高
(E)離子化合物結構大多巨大且有晶形排列，化學式以實驗式表示。
(A)離子化合物必有離子鍵，而分子化合物僅有共價鍵
(B)前者在液態時可導電，皆為電解質
(C)後者在水溶液會導電者必為電解質
(D)分子化合物的熔點與沸點通常比離子化合物高
(E)離子化合物結構大多巨大且有晶形排列，化學式以實驗式表示。
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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