Which one amongst the following pairs of ions can be precipitated by H 2 S in dilute HCl?

Chemistry · NEET · NTA Exams — Analytical Chemistry

1. Bi³⁺, Sn⁴⁺
2. Al³⁺, Hg²⁺
3. Zn²⁺, Cu²⁺
4. Ni²⁺, Cu²⁺

Answer

(A) Bi 3+ , Sn 4+

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