Oxidizing or Reducing Agent

Determine the oxidizing agent in the reaction below:

2Sr + O₂ --> 2SrO

Determine the reducing agent in the reaction below:

2Li + S -->Li₂S

What is the oxidizing agent in this reaction?

Cl₂ + 2NaBr --> 2NaCl + Br₂

• Na

• Br

• Cl

What is the reducing agent in this reaction?

Mg + 2HCl --> MgCl₂ + H₂

• Mg

• H

• Cl

What is the oxidizing agent in this reaction?

2Na + 2H₂O --> 2NaOH + H^₂

• Na

• H

• O

Determine the element that is oxidized in this reaction.

C + H₂SO₄ --> CO₂ + SO₂ + H₂O

Which element is reduced in this reaction?

HNO₃ + HI --> NO + I₂ + H₂O