Question

what is inert pair effect??​

Answer 1

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• The inert pair effect is the tendency of the two electrons in the outermost atomic s-orbital to remain unionized or unshared in compounds of post-transition metals.

• The inert pair of as electrons remains more tightly held by the nucleus and hence participates less in bond formation .

Answer 2

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The non participation of ns² electrons in bonding due to poor screening of d and f orbital and increase in nuclear charge is called inner pair effect

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