Most stable species:

Question

Canvas Classes · Accepted Answer

Step 1: Identifying Aromatic Stability
- (a) Cyclopropenyl cation:  electrons,  in . It is Aromatic and highly stable.
- (b) Cyclopropenyl anion:  electrons. Anti-aromatic. (Unstable).
- (c) Cyclopentadienyl cation:  electrons. Anti-aromatic. (Unstable).
- (d) Cyclohexadienyl radical/cation: Non-aromatic.

Step 2: Conclusion
The cyclopropenyl cation (a) is the only aromatic species among the choices.

More questions from GOC