Chemistry, 20.09.2020 14:01, linshweyioo9931
A solution that may contain Cu2+, Bi3+, Sn4+, or Sb3+ ions is treated with thioacetamide in an acid medium. The black precipitate that forms is partly soluble in strongly alkaline solution. The precipitate that remains is soluble in 6 M HNO3 and gives only a blue solution on treatment with excess NH3. THe alkaline solution, when acidified, produces, an orange precipitate. On the basis of this information, which ions are present, which are absent, and which are still in doubt?
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A solution that may contain Cu2+, Bi3+, Sn4+, or Sb3+ ions is treated with thioacetamide in an acid...
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