Question

Sodium hydroxide solution is added to the solutions containing the ions mentioned in List 1.
List 1 —
1. Pb2+
2. Fe2+
3. Zn2+
4. Fe3+
5. Cu2+
6. Ca2+
The precipitates obtained are in list 2 —
A: Reddish brown
B: White insoluble in excess
C: Dirty green
D: White soluble in excess
E: White soluble in excess
F: Blue.
Match list 1 with list 2

  • Analytical Chemistry
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Answer

List 1 List 2
Pb2+ D: White soluble in excess
Fe2+ C: Dirty green
Zn2+ E: White soluble in excess
Fe3+ A: Reddish brown
Cu2+ F: Blue
Ca2+ B: White insoluble in excess

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