Models of Bonding & Structure B.1 The Ionic Model (id: 73e91e166)

本题目来源于试卷: Models of Bonding & Structure B.1 The Ionic Model，类别为 IB化学

[单选题]

Which compounds have an ionic lattice in the solid state?

I.Ammonium sulfate

II.Hydrogen chloride

III.Sodium carbonate

A. I and II only
B. I and III only
C. II and III only
D. I, II and III


参考答案:  B


本题详细解析:

Ionic bonds form between oppositely charged ions; N${H_4}^+$ $\mathrm{N}\mathrm{H}{\phantom{}}_4{\phantom{}}^{+}\mathrm{a}\mathrm{n}\mathrm{d}\mathrm{S}\mathrm{O}{\phantom{}}_4{\phantom{}}^{2-}$ in ammonium sulfate and $\mathrm{N}\mathrm{a}{\phantom{}}^{+}\mathrm{a}\mathrm{n}\mathrm{d}\mathrm{C}\mathrm{O}{\phantom{}}_3{\phantom{}}^{2-}$in sodium carbonate.

Due to a smaller difference in electronegativity and both being nonmetals, $\mathrm{H}-\mathrm{C}\mathrm{l}$ bonds are polar covalent.

微信扫一扫，分享更方便