Which of the following elements does not form | vedclass

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(D) In group $14$ elements,the stability of the $+2$ oxidation state increases down the group due to the inert pair effect. $Pb$ and $Sn$ form stable

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Silicon

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(D) In group $14$ elements,the stability of the $+2$ oxidation state increases down the group due to the inert pair effect. $Pb$ and $Sn$ form stable monoxides ($PbO$ and $SnO$). $Ge$ forms $GeO$,which is stable at high temperatures. $Silicon$ $(Si)$ does not form a stable monoxide $(SiO)$ under standard conditions because $SiO$ is unstable and disproportionates into $Si$ and $SiO_2$.

Which of the following elements does not form a monoxide?

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