Which of the following species contains an eq | vedclass

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(D) Let us analyze the number of $\sigma$ and $\pi$ bonds in each species:$A$. $(CN)_2$ (or $N \equiv C-C \equiv N$): It has $3$ $\sigma$ bonds and $4

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$XeO_4$

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(D) Let us analyze the number of $\sigma$ and $\pi$ bonds in each species:$A$. $(CN)_2$ (or $N \equiv C-C \equiv N$): It has $3$ $\sigma$ bonds and $4$ $\pi$ bonds.$B$. $CH_2(CN)_2$ (or $NC-CH_2-CN$): It has $9$ $\sigma$ bonds and $4$ $\pi$ bonds.$C$. $HCO_3^-$: It has $5$ $\sigma$ bonds and $1$ $\pi$ bond.$D$. $XeO_4$: The structure consists of a central $Xe$ atom bonded to $4$ oxygen atoms via double bonds. Each double bond consists of $1$ $\sigma$ bond and $1$ $\pi$ bond. Thus,there are $4$ $\sigma$ bonds and $4$ $\pi$ bonds. Therefore,$XeO_4$ contains an equal number of $\sigma$ and $\pi$ bonds.

Which of the following species contains an equal number of $\sigma -$ and $\pi -$ bonds?

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