What is the highest oxidation state exhibited | vedclass

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(D) The general electronic configuration of Group-$17$ elements is $ns^2 np^5$.Except for fluorine,all other elements in this group can exhibit higher

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$+7$

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(D) The general electronic configuration of Group-$17$ elements is $ns^2 np^5$.Except for fluorine,all other elements in this group can exhibit higher oxidation states by utilizing their vacant $d$-orbitals.They can promote electrons from the $p$ and $s$ orbitals to the $d$-orbitals,allowing them to show oxidation states up to $+7$ (e.g.,in $HClO_4$ or $IF_7$).

What is the highest oxidation state exhibited by Group-$17$ elements?

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