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Write Lewis structures for the following species, including all resonance forms, and show formal charges: (a) $\mathrm{HCO}_{2}^{-},$ (b) $\mathrm{CH}_{2} \mathrm{N...

Question

Write Lewis structures for the following species, including all resonance forms, and show formal charges: (a) $\mathrm{HCO}_{2}^{-},$ (b) $\mathrm{CH}_{2} \mathrm{NO}_{2}^{-}$. Relative positions of the atoms are as follows: $$\begin{array}{lllll} & & \mathrm{O} & \mathrm{H} & & \mathrm{O} \\\mathrm{H} & \mathrm{C} & & & \mathrm{C} & \mathrm{N} \\& & \mathrm{O} & \mathrm{H} & & \mathrm{O}\end{array}$$

Write Lewis structures for the following species, including all resonance forms, and show formal charges: (a) $\mathrm{HCO}_{2}^{-},$ (b) $\mathrm{CH}_{2} \mathrm{NO}_{2}^{-}$. Relative positions of the atoms are as follows: $$\begin{array}{lllll} & & \mathrm{O} & \mathrm{H} & & \mathrm{O} \\\mathrm{H} & \mathrm{C} & & & \mathrm{C} & \mathrm{N} \\& & \mathrm{O} & \mathrm{H} & & \mathrm{O}\end{array}$$



Answers

Write Lewis structures for the following species, including all resonance forms, and show formal charges: (a) $\mathrm{HCO}_{2}^{-},$ (b) $\mathrm{CH}_{2} \mathrm{NO}_{2}^{-}$. Relative positions of the atoms are as follows: $$\begin{array}{lllll} & & \mathrm{O} & \mathrm{H} & & \mathrm{O} \\\mathrm{H} & \mathrm{C} & & & \mathrm{C} & \mathrm{N} \\& & \mathrm{O} & \mathrm{H} & & \mathrm{O}\end{array}$$


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