Which of These Statements Correctly Describes the Use of Formal

question 121

Multiple Choice

Which of these statements correctly describes the use of formal charge in choosing between possible Lewis structures to describe a molecule?
I. Formal charge on all the atoms should be zero, or at least the smallest possible value.
II. The sum of the formal charges on all the atoms should equal the charge on the molecule
Or ion.
III. The formal charge on an atom is not affected by the electronegativity of the atom.
IV. In an anion containing nitrogen and oxygen, the Lewis structures with a negative charge
On the nitrogen will contribute the most to the description of the bonding.

• A)I and II only
• B)II and III only
• C)III and IV only
• D)I and III only
• E)II and IV only

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