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what is inert pair effect why it is shown by heavy elements explain
Dear amit
inert pair effect is nothing put the inability of s electrons to participate in the reaction.s electrons are not able to participate bcoz of strong hold of nucleus (high penetration effect) or por shielding effect of electronstherefore+3 state stability will be in the orderBi>Sb>Asand vice-versa for +5 stabilitymore big the atom more poor the shielding effect...bigger atom have poor shielding effect czas the d or f electrons are situated very far frm each otherthey give the nucleus to strengthen their hold on the s-electronsand as s electrons show high penetrating effect ie they prefer to live near the nucleus the hold of nucleus on 6s electrons is considerable...nw as Pb+4 is unstable as its s-electrons have been taken it will easily take em(remember inert pair effect is most effective on the bottom most elemenst........hence it wrks on Pb also hence Pb doesn't wants it s-electrons to participate and hence its +2 oxidation is more stable than +4.....
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