Define Oxides classifies Oxides on the basis of the oxidation state of oxygen into three groups with one example of each. | web4study

Define Oxides classifies Oxides on the basis of the oxidation state of oxygen into three groups with one example of each.

Category: Chemistry questions and answers ,


The binary compounds of oxygen with metals and nonmetals are called Oxides.

On the basis of oxidation state oxides are classified as follows:

(i) Normal Oxides: These are such oxides in which Oxygen shows normal oxidation state or valency number – 2.

Example: Cao, So2, Al2o3

(ii) Peroxides: Peroxides are oxides containing a higher proportion of oxygen then normal oxides and oxygen have an oxidation state or valiancy number – 1.

Example: Sodium Peroxide Na2 02

(iii) Super Oxides: Superoxides are those in which the oxidation state or valiancy number of oxygen is – 0.5.

Example: Potassium superoxide K02

 


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