Orgoreview

Welcome to orgoreview question vault. We have 5000 more problems for you to solve.

Which of the structures shown will have unpaired electrons in the lowest energy electronic state (assume all structures are planar)?

(A) 1 only

(B) 2 only

(C) 3 only

(D) 1 and 2

(E) 2 and 3

(F) 1, 2, and 3