SAMPLE PROBLEM 10.4
Writing Resonance Structures
PLAN:
SOLUTION:
PROBLEM:
Write resonance structures for the nitrate anion, NO3-.
After Steps 1-4, apply Step 5. Then determine if other structures can be drawn in which the electrons can be delocalized over more than two atoms.
Nitrate has 1(5) + 3(6) + 1 = 24 valence electrons.
N does not have an octet; a pair of e- is used to form a double bond.
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