KMnO4 + H2S + H2SO4---) K2SO4 + MnSO4 + S + H2O. Created by Salomon94. himiya-ru

KMnO4 + H2S + H2SO4---) K2SO4 + MnSO4 + S + H2O...

ilova2012

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2KMnO4 + 5H2S + 3H2SO4 = 2MnSO4 + 5S + K2SO4 + 8H2O

MnO4(-) + 5e + 8H+ = Mn2+ + 4H2O процесс восстановления
ок-ль
S2- - 2e = S0 процесс окисления
в-ль

110 votes Thanks 317

huliganka

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2KMnO4+5H2S+3H2SO4=5S+K2SO4+2MnSO4+8H2O

Mn(+7) +5e= Mn(+2) -2-в-ние; ок-ль

S(-2) -2e=S(0) -5-ок-ние;в-ль

2Mn(+7) + 5S(-2) = 2Mn(+2) + 5S(0)

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