問題詳情

2. The structural formula for vitamin C is shown below, identified by H which is most acidic?  
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5

參考答案

答案:D
難度:適中0.6
統計:A(0),B(0),C(0),D(3),E(0)

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