Question

Please explain why this reaction is not a redox reaction (oxidation reduction reaction)

Answer 1

Explanation:

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Double-replacement reactions such as the one below are not redox reactions because ions are simply recombined without any transfer of electrons. Note that the oxidation numbers for each element remain unchanged in the reaction. Acid-base reactions involve a transfer of a hydrogen ion instead of an electron.

Answer 2

Redox reactions can always be recognized by a change in oxidation number of two of the atoms in the reaction. Any reaction in which no oxidation numbers change is not a redox reaction.