Analytical Chemistry Question 88
Question: Which compound does not dissolve in hot dilute $ HNO_3 $
[IIT 1996]
Options:
A) $ HgS $
B) $ PbS $
C) $ CuS $
D) $ CdS $
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Answer:
Correct Answer: A
Solution:
$ HgS\ +\ HNO_3\ \to \ \text{No reaction} $