Resonance hybrid of nitrate ion is

  • A

    $\begin{matrix}
       ^{-1/2}O\underline{\overline{\cdots }}N\underline{\overline{\cdots }}{{O}^{-1/2}}  \\
       |\vdots |  \\
       \,\,\,\,\,\,\,\,\,{{O}^{-1/2}}  \\
    \end{matrix}$

  • B

    $\begin{matrix}    ^{-2/3}O\cdots N\cdots {{O}^{-2/3}}  \\
       \vdots   \\
       \,\,\,\,\,\,\,\,\,{{O}^{-2/3}}  \\
    \end{matrix}$

  • C

    $\begin{matrix}
       ^{-2/3}O\cdots \overset{+}{\mathop{N}}\,\cdots {{O}^{-2/3}}  \\
       \vdots   \\
       \,\,\,\,\,\,\,\,\,{{O}^{-2/3}}  \\
    \end{matrix}$

  • D

    $\begin{matrix}
       ^{-1/3}O\underline{\overline{\cdots }}N\underline{\overline{\cdots }}{{O}^{-1/3}}  \\
       |\vdots |  \\
       \,\,\,\,\,\,\,\,\,{{O}^{-1/3}}  \\
    \end{matrix}$

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