MCQ
The process in which oxidation number increases is known as
  • Oxidation
  • B
    Reduction
  • C
    Auto-oxidation
  • D
    None of the above

Answer

Correct option: A.
Oxidation
a
The increase in oxidation state of an atom, through a chemical reaction, is known as an oxidation

$Cu \stackrel{\text { Oxidation }}{\longrightarrow} Cu ^{2+}\,+\,2$ electrons

Here oxidation number increases from $0$ to $+2$

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