Analytical Chemistry Question 52

Question: Of the following sulphides which one is insoluble in dilute acids but soluble in alkalies

[CPMT 1990]

Options:

A) $ PbS $

B) $ CdS $

C) $ FeS $

D) $ Sb_2S_3 $

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Answer:

Correct Answer: D

Solution:

It is an acidic salt