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CGP EDU Academic Team
Published on: August 13, 2026
Why HNO 3 can not be used in place of HCl as a reagent (H 2 S in presence of HCl) for II nd group cations?
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HNO 3 is a powerful oxidising solution. Causing confusion with CdS, AS 2 S 3 (both yellow ppt) . Colloidal solution can not be filtered causing unnecessary trouble.
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