H 2 S in the presence of HCl precipitates II group but not IV group because :
Chemistry · JEE Main · NTA Exams — Principles Related To Practical Chemistry
H2S in the presence of HCl precipitates II group but not IV group because :
- HCl activates H2S
- HCl increases concentration of Cl-
- HCl decreases concentration of S2–
- HCl lowers the solubility of H2S in solution
Answer
(C) HCl decreases concentration of S 2–
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