Payal Asked a Question
September 29, 2020 4:57 pmpts 30 pts
Why is it essential to boil off H2S gas before precipitating group 3?
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  • Priyanshu kumar Best Answer
    Before precipitation of group III cations, the solution is boiled with cone, nitric acid. If H2S is not boiled off then it would react with HNO3 and would be oxidized to colloidal ...
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  • Dinesh khalmaniya thankyou
    Before precipitation of group III cations, the solution is boiled with cone, nitric acid. If H2S is not boiled off then it would react with HNO3 and would be oxidized to colloidal ...
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