1. Which does not belong to the group?* Hg₂ + 2Cl⁻¹ ⇌ HgCl₂ Ag⁺¹ + Cl⁻¹ ⇌ AgCl₂ Pb⁺² + 2Cl⁻¹ ⇌ PbCl₂ Hg₂ + 2Cl⁻¹ ⇌ Hg₂Cl₂   2. Which does not belong to the group?* 3PbS + 2NO₃¹⁻ + 8H₃O ⇌ 3Pb²⁺ + 2NO +3S + 12H₂O 3HgS + 2NO₃¹⁻ + 8H₃O ⇌ 3Hg²⁺ + 2NO +3S + 12H₂O 3Bi₂S₃ + 2NO₃¹⁻ + 8H₃O ⇌ 2Bi³⁺ + 2NO +3S + 12H₂O 3CuS + 2NO₃¹⁻ + 8H₃O ⇌ 3Cu²⁺ + 2NO +3S + 12H₂O

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