Which of the following is an example of a redox reaction?

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A redox reaction is one that involves the transfer of electrons between two species. The substance that gives away electrons is said to be oxidized. The substance that receives the electrons is said to be reduced. During combustion, elemental oxygen (O₂) reacts with a compound to form products that contain oxygen. This requires oxygen to transition from a neutral oxidation state (0) to an oxidation state of -2. (The oxygen has been reduced.) In the other reaction choices, the oxidation states of atoms do not necessarily change.

Which of the Following Is an Example of a Redox