Exercise on Lewis Structures and Formula Charge: Solutions

Question: CO2 has the following two Lewis Structures.
Use Formula Charge calculations to decide on the most stable of them.

co2-lewis

Solution:
co2-lewis-formula-charge

Structure I is NOT possible Since O, a high electronegative element, CANNOT have a POSITIVE Formal Charge.
However, Structure II is the most possible; most stable







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Date of last modification: Summer , 2019