An eruption pollution an environment with gas suspected to be H₂S, a poisonous gas. A residue team should spray the environment with?

florix

2 years ago

(an eruption pollution) Volcanic eruptions can release various types of pollutants, which are mainly found in the vicinity of the eruption. The most common air pollution is due to sulfur dioxide (SO2) that spreads with the prevailing wind direction, but its concentration is highest in the immediate vicinity of the volcano.
Hydrogen sulfide reacts with sulfur dioxide to give H 2 O and S , H 2 S + SO 2 = H 2 O + S ( solid ) , unbalanced.

kairakizitor7

1 year ago

the answer is C
not B

my school modify pls

Som15432

1 year ago

The correct answer is indeed:

B. moist SO2

Moist sulfur dioxide (SO2) can react with hydrogen sulfide (H2S) to form sulfur and water:

H2S + SO2 → 2S + H2O

This reaction neutralizes the toxic H2S gas.

De sage

1 year ago

The correct answer is *C) acidified KMnO₄ and water*.

*Why KMnO₄ is Effective:*
H₂S is a toxic gas with a characteristic "rotten egg" smell. It can be neutralized using *acidified potassium permanganate (KMnO₄)*, a strong oxidizing agent. The reaction is:

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

In this reaction:
- H₂S is oxidized to sulfur (S), which is less harmful.
- KMnO₄ is reduced to MnSO₄, and the purple color of KMnO₄ fades as it reacts.

*Why Other Options Are Less Suitable:*
A. *Water:*
Spraying water alone will not neutralize H₂S; it might only dissolve it.

B. *Moist SO₂:*
SO₂ is a reducing agent and could react with H₂S, but it’s not as effective or safe as KMnO₄ for neutralization.

D. *Water, acidified KMnO₄, and oxygen:*
While acidified KMnO₄ is effective, adding oxygen isn’t necessary for the neutralization reaction.

*Conclusion:*
Acidified KMnO₄ is a practical and effective solution for neutralizing H₂S due to its strong oxidizing properties.

@ AI

MQUEEN16

2 months ago

The correct answer is B not C , C may look correct but it's more complex especially for a large environment.


when it reacts with so2 it will form water and solid sulfur, quick and effective

Ufot1

3 months ago

SO2 is toxic and unsafe to spray in the environment. Correct answer is C.

Infinite20

2 months ago

it should be C