試題詳解

17. Which of the following answers shows the correct order of solubility in water for lead compounds?
(A) PbS ＞ PbI₂ ＞ PbBr₂ ＞ PbCl₂
(B) PbI₂ ＞ PbBr₂ ＞ PbCl₂ ＞ PbS
(C) PbS ＞ PbCI₂ ＞ PbBr₂ ＞ PbI₂
(D) PbCl₂ ＞ PbBr₂ ＞ PbI₂ ＞ PbS
(E) PbBr₂ ＞ PbCl₂ ＞ PbS ＞ PbI₂