Determine whether the following pairs of structures are actually different compounds or simply resonance forms of the same compounds.
i.
j.
k.
l.

Determine whether the following pairs of structures are actually different compounds or simply resonance forms of the same compounds.

a.

b.

c.

d.

Draw the important resonance forms to show the delocalization of charges in the following ions. In each case, indicate the major resonance form(s).

(j)

(k)

Determine whether the following pairs of structures are actually different compounds or simply resonance forms of the same compounds.

e.

f.

g.

h.

For each of the following structures,

1. Draw a Lewis structure; fill in any nonbonding electrons.

2. Calculate the formal charge on each atom other than hydrogen

d. [(CH₃)₃O]⁺

e. CH₃NC

f. (CH₃)₄NBr

In the following sets of resonance forms, label the major and minor contributors and state which structures would be of equal energy. Add any missing important resonance forms.

(d)

(e)

For each of these ions, draw the important resonance forms and predict which resonance form is likely to be the major contributor.

(a)