問題詳情

4. The following atoms are commonly encountered in organic molecules. For which is it not possible to isolate enantiomersdue to rapid inversion?
(A) trivalent phosphorus
(B) trivalent nitrogen
(C) divalent sulfur
(D) trivalent sulfur
(E) both B and C

參考答案

答案:B
難度:簡單0.8
統計:A(0),B(4),C(1),D(0),E(0)

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