The stability of dihalides of Si,Ge,Sn and Pb | vedclass

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Question

(A) The reluctance of valence shell $ns^2$ electrons to participate in bonding due to poor shielding of $d$ and $f$ orbitals is known as the inert pai

Vedclass · Accepted Answer

$SiX_2 < GeX_2 < SnX_2 < PbX_2$

Vedclass · Answer

(A) The reluctance of valence shell $ns^2$ electrons to participate in bonding due to poor shielding of $d$ and $f$ orbitals is known as the inert pair effect.As we move down group $14$,the stability of the $+2$ oxidation state increases relative to the $+4$ oxidation state.Therefore,the stability of dihalides $(MX_2)$ increases in the order: $SiX_2 < GeX_2 < SnX_2 < PbX_2$.

The stability of dihalides of $Si$,$Ge$,$Sn$ and $Pb$ increases steadily in the sequence

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