Consider the suphides HgS, PbS, CuS, Sb2S3, As2S3, and CdS. Number of these sulphides soluble in 50% HNO3 is________.
Consider the suphides HgS, PbS, CuS, Sb2S3, As2S3, and CdS. Number of these sulphides soluble in 50% HNO3 is________.
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1 Answer
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HgS, PbS, CuS, Sb2S3, As2S3, & CdS are given sulphides
CdS, PbS, As2S3 & CuS are soluble in 50% HNO3 but Sb2S3 & HgS are not soluble.
Ans. = 4
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