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what is inert pair effect. Pls explain its application


6 years ago


Answers : (1)


Dear twesh

"It is the reluctance of s-electrons of the valence shell to participate in bonding." This effect becomes more pronounced towards the bottom of each group of the p-block element

The inert pair effect is nothing but the extra stability concept. Generally p-block elements belonging to 3A, 4A, 5A, 6A, etc. show variable valency. For example, Sn element of group 4A shows +4 and +2 oxidation state. The higher oxidation state is called the group number oxidation state and +2 oxidation state is called the lower oxidation state which is equal to Group-2. Consider the configuration, if the electrons are lost from ns and np level, then group oxidation state of +4 is obtained while np electrons are only lost then +2 oxidation state is obtained due to its extra stability of ns electrons which are called inert pair. The effect is the inert pair effect.

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