Identify which does not belong to the group. Answers can be multiple per item.
1. Which does not belong to the group?
Sn⁺²
Sb⁺²
As⁺³
Bi⁺³
2. Which does not belong to the group?
Ag⁺¹
Hg⁺³
Hg⁺²
Pb⁺²
3. Which does not belong to the group?
Cu⁺²
Cu⁺³
Hg⁺²
Bi⁺³
Pb⁺²
4. Which does not belong to the group?
Hg₂ + 2Cl⁻¹ ⇌ HgCl₂
Hg₂ + 2Cl⁻¹ ⇌ Hg₂Cl₂
Ag⁺¹ + Cl⁻¹ ⇌ AgCl₂
Pb⁺² + 2Cl⁻¹ ⇌ PbCl₂
5. Which does not belong to the group?
3CuS + 2NO₃¹⁻ + 8H₃O ⇌ 3Cu²⁺ + 2NO +3S + 12H₂O
3PbS + 2NO₃¹⁻ + 8H₃O ⇌ 3Pb²⁺ + 2NO +3S + 12H₂O
3HgS + 2NO₃¹⁻ + 8H₃O ⇌ 3Hg²⁺ + 2NO +3S + 12H₂O
3Bi₂S₃ + 2NO₃¹⁻ + 8H₃O ⇌ 2Bi³⁺ + 2NO +3S + 12H₂O
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