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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Practical Chemistry

Olympiad workbook · NSEC · Practical Chemistry

Passing H_2~S gas into a mixture of Mn^ 2+ , Ni^ 2+ , Cu^ 2+ and...

Passing

\mathrm{H}_2\mathrm{~S}

gas into a mixture of

\mathrm{Mn}^{2+}, \mathrm{Ni}^{2+}, \mathrm{Cu}^{2+}

and

\mathrm{Hg}^{2+}

in an acidified aqueous solution precipitates

Options

ACuS and HgS
BMnS and CuS
CMnS and NiS
DNiS and HgS

Correct answer

A. CuS and HgS

Step-by-step solution

No Solution

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