209 -- Considering the structure of the molecule $\text{P}_4\text{O}_{10}$ shown in the figure below, which of the following statements are correct? [Figure: Structure of $\mathrm{P_4O_{10}}$ showing four phosphorus atoms connected via bridging oxygen atoms, each P also bearing a terminal P=O bond]
[A)] All atoms in it have four electronic domains.
[B)] The oxidation number of each phosphorus atom in it equals $+4$ and the number of bonds per atom is greater.
[C)] The number of covalent bonds in it is $0.25$ times the total number of covalent bonds between atoms in it.
[D)] The number of lone pairs of electrons on atoms in it equals $1.5$ times the number of bonding electron pairs.
A, D
B, D
B, C, D
A, B, D
\textbf{209 -- Considering the structure of the molecule $\text{P}_4\text{O}_{10}$ shown in the figure below, which of the following statements are correct?}
\textit{[Figure: Structure of $\mathrm{P_4O_{10}}$ showing four phosphorus atoms connected via bridging oxygen atoms, each P also bearing a terminal P=O bond]}
\begin{itemize}
\item[A)] All atoms in it have four electronic domains.
\item[B)] The oxidation number of each phosphorus atom in it equals $+4$ and the number of bonds per atom is greater.
\item[C)] The number of covalent bonds in it is $0.25$ times the total number of covalent bonds between atoms in it.
\item[D)] \textbf{The number of lone pairs of electrons on atoms in it equals $1.5$ times the number of bonding electron pairs.}
\end{itemize}
\begin{enumerate}
\item A, D
\item B, D
\item B, C, D
\item A, B, D
\end{enumerate}
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