Engineering
Chemistry
Electrolytes and Types
Question

Passing H2S gas into a mixture of Mn2+, Ni2+, Cu2+ and Hg2+ ions in an acidified aqueous solution precipitates

CuS and HgS

MnS and CuS

MnS and NiS

NiS and HgS

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Solution
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Cu+2, Hg+2 are group II basic radicals

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