🧪 Kimyo · Oksidlanish-qaytarilish · ★★★
H₂S + SO₂ → S + H₂O reaksiya tenglamasi tenglashtirilganda koeffitsientlar yig'indisi nechaga teng?
- A)8
- B)9
- C)6
- D)7
👀 To'g'ri javob va tushuntirishni ko'rish
✓ A) 8
💡 2H₂S + SO₂ → 3S + 2H₂O (S⁻² −2e⁻ → S⁰, S⁺⁴ +4e⁻ → S⁰); 2 + 1 + 3 + 2 = 8.