Quiz on Oxidation-Reduction (Redox) Reactions

What is the process called when an atom loses electrons?

• Reduction

• Oxidation

• Neutralization

• Synthesis

In a redox reaction, what is the substance that undergoes reduction called?

• Product

• Reducing agent

• Reactant

• Oxidizing agent

What does the acronym LEO GeR stand for in redox reactions?

• Lose Electrons, Gain Reduction or Oxidation

• Lose Electrons, Gain Oxidation

• Lose Electrons, Gain Reduction

• Lose Electrons, Gain Electrons

What is the oxidation number of Cl in Cl2(g)?

• 0

• +1

• -1

• +2

In the reaction Zn (s) + HCl (aq) → H2 (g) + ZnCl2 (aq), what is being oxidized?

• H2

• Zn

• HCl

• ZnCl2

In the reaction 2 Na(s) + Cl2(g) → 2NaCl(s), what happens to Na?

• It loses electrons

• It forms a gas

• It gains electrons

• It remains unchanged