which of these gas doesnt give precipitate on passing H2S gas in acidic medium? a) CuSO4 b) HgCl2 c) SnSO4 d) ZnSO4
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which of these gas?!?!
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The gas that doesnt give precipitate on passing H2S gas in an acidic medium is:
(d) ZnSO4
- Copper, Mercury and Tin are all 2nd group cations.
- Due to the low value of their solubility product, they form precipitates on passing H2S gas in acidic medium.
- But zinc is a 3rd group cation.
- It has comparatively higher solubility product value due to the common ion effect.
- Hence, it will not form a precipitate in acidic medium on passing H2S gas.
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