1.

Explain the following in terms of gain or loss of oxygen with two examples each: (a ) Oxidation (b) Reduction

Answer»

SOLUTION :Oxidation : It is a REACTION in which atom or molecule GAINS oxygen or loses HYDROGEN
For example,
`C+O_(2)to CO_(2)`
`2Cu+O_(2) to 2CuO`
In above reactions, .C. and .Cu. undergo Oxidation.
Reduction : It is a reaction in which atom or molecule loses oxygen or gains hydrogen.
For example,
`CUO+H_(2) to Cu+H_(2)O`
`CO_(2)+H_(2) to CO+H_(2)O`
In above reactions, .CuO. and `CO_(2)` undergo reduction.


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