Which of the following cannot be represented | vedclass

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(A) Resonance occurs in molecules or ions where there is a system of conjugated $\pi$-electrons or lone pairs of electrons that can be delocalized ove

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Dimethyl ether

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(A) Resonance occurs in molecules or ions where there is a system of conjugated $\pi$-electrons or lone pairs of electrons that can be delocalized over multiple atoms.$1$. $Dimethyl \ ether$ $(CH_3-O-CH_3)$ lacks a conjugated system or a lone pair adjacent to a $\pi$-bond,so it cannot exhibit resonance.$2$. $Nitrate \ anion$ $(NO_3^-)$,$Carboxylate \ anion$ $(RCOO^-)$,and $Toluene$ $(C_6H_5CH_3)$ all possess conjugated systems that allow for the delocalization of electrons,thus they can be represented by resonance structures.

Which of the following cannot be represented by resonance structures?

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