本题目来源于试卷: Models of Bonding & Structure B.2 The Covalent Model，类别为 IB化学
[单选题]
Which of the following substances is the most soluble in water, with the correct reason given?
A. Substance is $PF_3$; Reason is the bonds are very polar
B. Substance is $PF_3$; Reason is the molecule has a permanent dipole
C. Substance is $NH_3$; Reason is it can form hydrogen bonds with itself
D. Substance is $NH_3$; Reason is it can form hydrogen bonds with water molecules
参考答案: D
本题详细解析:
All statements are correct, but only D is a reason for solubility in water
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