Question

Quine

請問這題為什麼D選項的鋁跟錳離子可溶呢

2+
12. Consider a solution containing the following cations: Na, Hg²+, Mn²*, Al³+ and Ag. Treatment of the
solution with dilute HCl followed by saturation with H₂S results in formation of precipitate(s). Which ions
still remain in solution ? Hg Cut Pb Agt TI 7
DE
TA. 2A, NH4+ J
+
+
(A.) Ag only; (B.) Na*, Hg²+, Al³+; (C.) Ag* and Hg²+;
Na+, Al³+, and Mn²; Nat only

Answer 1

✨ 最佳解答 ✨

parrot

兩性元素可溶於強酸或強鹼，部分硫化物可溶於強酸
MnS FeS Fe2S2 CoS NiS ZnS

parrot

打錯 是Fe2S3

Quine

我了解了 感謝～～