Oxidation is a process of losing electrons and achieving a higher oxidation state.
Reduction is a process of accepting electrons and achieving a lower oxidation state.
The given chemical reaction is as follows:
2AgNO, (aq) +Mg(s)→ 2Ag(s) + Mg(NO3), (aq)
In the above reaction, Ag is accepting one electron and its oxidation state decreases from +1 to 0. Thus, it is getting reduced. Mg is losing two electrons and its oxidation state increases from 0 to +2. Thus, it is getting oxidized.
The reduction half-reaction is as follows:
Ag (aq)+e→Ag(s)
The oxidation half-reaction is as follows:
Mg(s)→ Mg2+(aq) + 2e
Oxidation is a chemical process. It is defined as the process that occurs when an atom or group of atoms loses an electron. Another way of defining oxidation is that a species gains oxygen or loses hydrogen. Oxidation occurs when these events occur.
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