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Q. Which of the following is soluble in yellow ammonium sulphide?

BITSATBITSAT 2012

Solution:

The sulfides of $As ^{3+}, As ^{5+}, Sb ^{3+}, Sb ^{5+}, Sn ^{2+}, Sn ^{4+}$ are soluble in yellow ammonium sulfide where they form polysulphide complexes.