Problem: Toothpastes containing sodium hydrogen carbonate (sodium bicarbonate) and hydrogen peroxide are widely used. Write Lewis structures for the hydrogen carbonate ion and hydrogen peroxide molecule, with resonance forms where appropriate.

FREE Expert Solution

We are being asked to identify the three resonance forms of hydrogen carbonate (bicarbonate), HCO3-, and hydrogen peroxide, H2O2.


In this problem, we shall follow these steps:

Step 1: Determine the central atom in the molecule

Step 2: Calculate the total number of valence electrons present.

Step 3: Draw the Lewis Structure of the molecule.

Step 4: Determine the formal charges and resonance forms.  


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Problem Details

Toothpastes containing sodium hydrogen carbonate (sodium bicarbonate) and hydrogen peroxide are widely used. Write Lewis structures for the hydrogen carbonate ion and hydrogen peroxide molecule, with resonance forms where appropriate.

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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.