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D and F Block Elements question

2015 · Shift 2 · Q16
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D and F Block Elements question

2015 · Shift 2 · Q16

JEE AdvancedChemistryD and F Block ElementsMultiple correct+4 / −2
The pairs of ions where BOTH the ions are precipitated upon passing H2SH_2SH2​S gas in presence of dilute HClHClHCl, is(are)
  1. A
    Ba2+Ba^{2+}Ba2+, Zn2+Zn^{2+}Zn2+
  2. B
    Bi3+Bi^{3+}Bi3+, Fe3+Fe^{3+}Fe3+
  3. C
    Cu2+Cu^{2+}Cu2+, Pb2+Pb^{2+}Pb2+
  4. D
    Hg2+Hg^{2+}Hg2+, Bi3+Bi^{3+}Bi3+
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