Предмет: Химия, автор: alinavelikodneva

ТЕРМІНОВО! 50Б
Розставте коефіцієнти методом електронного балансу у схемі хімічної реакції:
KJ + H 2 SO 4 → J 2 + K 2 SO 4 + H 2 S + H 2 O

Ответы

Автор ответа: dyexfnf
0

Ответ:

Объяснение:

KI⁻¹ + H₂S⁺⁶O₄ → I₂⁰ + K₂S⁺⁶O₄  + H₂S⁻² + H₂O

окисник    S⁺⁶ + 8е = S⁻² процес відновлення

відновник 2I⁻¹ - 2e =  I₂⁰      процес  окислення

8KI  + 5H₂SO₄  = 4I₂ + 4K₂SO₄  + H₂S + 4H₂O

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