Subject: Inorganic Chemistry · Chapter: D Block · Topic: D Block – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium
The metal ion $\left(\mathrm{M}^{2+}\right)$ in the following reaction is $\mathrm{M}^{2+}+\mathrm{S}^{2-} \rightarrow$ Black precipitate $\xrightarrow{\text { hot conc. } \mathrm{HNO}_{3}}$ White precipitate
(a)$\mathrm{Mn}^{2+}$
(b)$\mathrm{Fe}^{2+}$
(c)$\mathrm{Cd}^{2+}$
(d)$\mathrm{Cu}^{2+}$
Answer
SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.