Problem: Draw a resonance contributor for HOCO2-. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms. Include all lone pairs of electrons. Show the formal charges of all nonhydrogen atoms in the correct structure.

FREE Expert Solution

We are asked to draw a resonance contributor for HOCO2-.


Valence electrons: 

H → Group 1A →1 x 1  = 1 ve

O → Group 6A → 3 x 6  = 18 ve

C → Group 4A → 1 x 4 = 4 ve

Negative charge =  1 ve

TOTAL  = 24 ve


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Problem Details

Draw a resonance contributor for HOCO2-. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms. Include all lone pairs of electrons. Show the formal charges of all nonhydrogen atoms in the correct structure.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Resonance Structures concept. You can view video lessons to learn Resonance Structures. Or if you need more Resonance Structures practice, you can also practice Resonance Structures practice problems.