Consider structural formulas A, B, and C:

(a) Are A, B, and C constitutional isomers, or are they resonance forms?
(b) Which structures have a negatively charged carbon?
(c) Which structures have a positively charged carbon?
(d) Which structures have a positively charged nitrogen?
(e) Which structures have a negatively charged nitrogen?
(f) What is the net charge on each structure?
(g) Which is a more stable structure, A or B? Why?
(h) Which is a more stable structure, B or C? Why?
(i) What is the CNN geometry in each structure according to VSEPR?

Transcribed Image Text:

Н.С—N3N: Н.С—N—N: Н.С —N—N: B.