Balance each of the following redox reactions and classify it as a combination, decomposition, or displacement reaction:
Zn(s) + Fe(NO₃)₂(aq) → Zn(NO₃)₂(aq) + Fe(s)



Answer :

Zn(s) + Fe(NO₃)₂(aq) → Zn(NO₃)₂(aq) + Fe(s)

In this Zn is a reducing agent, Fe(NO3)2 is an oxidizing agent. This mean it is a displacement reaction.

In this the element Zinc (Zn) has replaced the element Iron (Fe) in the compound Fe(NO₃)₂.

What is redox reaction ?

Redox reactions include a change in the oxidation state of the substrate. Loss of electrons or a rise in an element's oxidation state are both considered to be oxidation. Gaining electrons or lowering an object's or its atoms' oxidation state are both considered reductions. Combination, decomposition, displacement, and combustion reactions are the most frequent oxidation-reduction (redox) processes.

Redox response types

  • Combination reaction is a chemical process in which two atoms or molecules combine to generate a third molecule.
  • Decomposition is the process through which a molecule disintegrates into two or more other molecules.
  • Displacement reaction involves the replacement of an atom or ion in a compound by an atom or ion from a different element.

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