Consider the sulphides HgS, PbS, CuS, Sb2S3, As2S3 and CdS. Number of these sulphides — JEE Mains Chemistry Past Papers Chemistry Question
Question
Consider the sulphides HgS, PbS, CuS, Sb2S3, As2S3 and CdS. Number of these sulphides
Answer: .
💡 Solution & Explanation
CdS, PbS, As2S3, and CuS, are soluble in 50% HNO3 while HgS and Sb2S3 are insoluble in 50% HNO3 but HgS soluble in aqua regia.
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