Determine the number of the resonance structures for SO32- by drawing its Lewis structure and analyze which structure completely follows octet rule
Follow the steps below:
Step 1. Determine the central atom
Step 2. Determine the total valence electrons
Step 3. Draw the Lewis structure and calculate necessary formal charges
Step 4. Analyze which of the structure follows the octet rule
Step 1: Determine the central atom in this molecule.
• S → less electronegative atom than O → S is central atom
Step 2: Calculate the total number of valence electrons present.
Group Valence Electrons
S 6A 1 x 6 e‑ = 6 e-
O 6A 3 x 6 e‑ = 18 e-
-2 charge +2 e-
Total = 26 valence e-
Step 3: Draw the Lewis Structure for the molecule
How many different types of resonance structures can be drawn for the ion SO32- where all atoms satisfy the octet rule?
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Based on our data, we think this problem is relevant for Professor Huchital's class at FAU.