Step 1: Cl (EN = 3.16) is less electronegative than O (EN = 3.44) so Cl is the central atom.
Step 2: The total number of valence electrons present in ClO2 is:
Group Valence Electrons
Cl 7A 1 × 7 e– = 7 e–
O 6A 2 × 6 e– = 12 e–
Total: 19 valence e–
Step 3: Let’s first connect each atom with a single bond:
Chlorine dioxide gas (ClO2) is used as a commercial bleaching agent. It bleaches materials by oxidizing them. In the course of these reactions, the ClO2 is itself reduced.
What is the Lewis structure for ClO2 with odd number of electrons?
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