Which statement correctly describes what is happening in the reaction shown below?2Mg(s) + S2(g) → MgS(s)MgS is the reducing agent.Mg is oxidized.S2 loses electrons.MgS gains electrons.Mg is the oxidizing agent.
Question
Which statement correctly describes what is happening in the reaction shown below?2Mg(s) + S2(g) → MgS(s)MgS is the reducing agent.Mg is oxidized.S2 loses electrons.MgS gains electrons.Mg is the oxidizing agent.
Solution
The correct statement that describes what is happening in the reaction 2Mg(s) + S2(g) → MgS(s) is "Mg is oxidized."
Here's why:
In the reaction, magnesium (Mg) is reacting with sulfur (S2) to form magnesium sulfide (MgS).
Oxidation is the process of losing electrons. In this reaction, each Mg atom loses 2 electrons to become Mg2+. These electrons are then gained by S2, which is reduced to 2S2-.
So, Mg is being oxidized (it is the reducing agent because it causes S2 to be reduced), and S2 is being reduced (it is the oxidizing agent because it causes Mg to be oxidized).
Therefore, the statement "Mg is oxidized" correctly describes what is happening in this reaction.
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