Question

One resonance structure for OCN- ion is drawn below. What is the formal charge on each atom?

A.O atom = 0, C atom = 0, and N atom = 0
B.O atom = 0, C atom = 0, and N atom = -1
C.O atom = -1, C atom = 0, and N atom = 0
D.O atom = -1, C atom = -1, and N atom = +1
E.O atom = +1, C atom = 0, and N atom = -2

Answer

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