Question

Among the following, - 3 oxidation number is
exhibited by option a group IA option b group IIA option c group VA option d group IVA​

Answer 1

Answer:

Explanation:

The common oxidation states exhibited by VA group elements are +3 and +5.

The valence shell electronic configurations of VA group elements are ns  

2

 np  

3

. This suggests common oxidation states of  VA group elements as +3, +5 and −3.

Due to inert pair effect, on moving down the group, the stability of +3 oxidation state increases and that of +5 oxidation state decreases.

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