問題詳情

77. The Frost circle can be used to reproduce the molecular orbital energies of a cyclic polyene. What species would bedescribed by the Frost circle to the right?

 
(A) Cyclopentadienyl cation
(B) Cyclopentadienyl radical
(C) Cylopentadienyl anion
(D) Cyclopentadiene
(E) Cyclopentene anion

參考答案

答案：A
難度：適中0.666667
統計：A(2),B(0),C(0),D(1),E(0)