InterviewSolution
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InterviewSolution
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Passing `H_(2)S` gas into a mixture of `Mn^(2+), Ni^(2+), Cu^(2+) and Hg^(2+)` ions in an acidified aqueous solution precipitatesA. CuS and HgSB. MnS and CuSC. MnS and NiSD. NiS and HgS |
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Answer» Correct Answer - A `H_(2)S` in acidic medium precipitates radicals of Group 2 of quantitative analysis, i.e. `Cu^(2+), Hg^(2+)`, (and `Pb^(2+), Bi^(3+), Cd^(2+), As^(3+), Sb^(3+), Sn^(2+)`). |
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