Which of the following aqueous solution of cation(s) give(s) white ppt. with NaOH and NH4OH solution — Qualitative and Quantitative Analysis Chemistry Question
Question
Which of the following aqueous solution of cation(s) give(s) white ppt. with NaOH and NH4OH solution and formed ppt. is/are further completely dissolved in one of the excess reagent?
Answer: A,C
💡 Solution & Explanation
Cd2+ gives white Cd(OH)2 which dissolves in excess NH4OH to form [Cd(NH3)4]2+. Sn2+ gives white Sn(OH)2 which dissolves in excess NaOH to form [Sn(OH)4]2-.
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