KMnO4 + H2S + HCl KCl + MnCl2 + H2O + S8 Did Cl change oxidation number? Yes, no Did Oxygen change oxidation number? Yes, no Did H change oxidation number? Yes, no Did Mn change oxidation number? Yes, no Did S change oxidation number? Yes, no oxidizing agent = K, O, Mn, S reducing agent = Mn, H, Cl, S
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Ответ:
Explanation:
KMnO4 + H2S + HCl --> KCl + MnCl2 + H2O + S8
Did Cl change oxidation number?
The oxidation number of Cl in Reactant side is -1
The oxidation number of Cl in product side is -1
NO
Did Oxygen change oxidation number?
The oxidation number of O in Reactant side is -2
The oxidation number of O in product side is -2
NO
Did H change oxidation number?
The oxidation number of H in Reactant side is 1
The oxidation number of H in product side is 1
NO
Did Mn change oxidation number?
The oxidation number of Mn in Reactant side is +7
The oxidation number of Mn in product side is +2
YES
Did S change oxidation number?
The oxidation number of S in Reactant side is -2
The oxidation number of S in product side is 0
YES
Oxidizing agent (element with decrease in oxidation number) = Mn
Reducing agent (element with Increase in oxidation number) = S
Ответ: