Understanding Redox Reactions and Agents

What does the mnemonic 'LEO the lion says GER' help us remember?

• The phases of the moon

• The principles of oxidation and reduction

• The steps of cellular respiration

• The process of photosynthesis

In the deli analogy, what does the sandwich represent in a redox reaction?

• The energy released

• The oxidizing agent

• The reducing agent

• The electrons being transferred

When Sn2+ is oxidized, what role does it play in the redox reaction?

• Neutral agent

• Catalyst

• Reducing agent

• Oxidizing agent

How can oxidation be described in terms of hydrogen atoms?

• Gain of hydrogen atoms

• Loss of hydrogen atoms

• Loss of oxygen atoms

• Gain of oxygen atoms

Which of the following is a common reducing agent in organic chemistry?

• KMnO4

• Lithium aluminum hydride

• H2O2

• Chromic acid

What is a characteristic of a reducing agent?

• It provides hydrogen

• It gains electrons

• It loses electrons

• It provides oxygen

Which of the following is a common oxidizing agent in biochemistry?

• H2 gas

• NAD+

• FADH2

• NADH

What is the role of oxygen in oxidizing agents?

• To lose electrons

• To lose oxygen

• To gain electrons

• To gain oxygen

Which of the following statements is true about metals in redox reactions?

• Metals can act as both oxidizing and reducing agents

• Metals can only act as reducing agents

• Metals do not participate in redox reactions

• Metals can only act as oxidizing agents

What is the relationship between oxidizing agents and oxygen?

• Oxidizing agents never contain oxygen

• Oxidizing agents always contain oxygen

• Oxidizing agents cause a gain of oxygen

• Oxidizing agents cause a loss of oxygen