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VenusRetrograde

Answer=4

oxidation and reduction reactions

Answer: Option (4) is the correct answer.

Explanation:

Half reactions are the reactions that represent oxidation and reduction reactions through separate steps.

For example, \(2Na + Br_{2} \rightarrow 2Na^{+} + 2Br^{-}\) the oxidation and reduction half-reaction will be as follows.

Oxidation half-reaction: \(2Na \rightarrow Na^{+} + 2e^{-}\)

Reduction half-reaction: \(Br_{2} + 2e^{-} \rightarrow 2Br^{-}\)

Thus, we can conclude that half-reactions can be written to represent all oxidation and reduction reactions.

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