阿摩線上測驗
19.When 2-ethylcyclohexanone is treated with catalytic base in excess D2O, how many deuterium atoms become incorporated in the organic compound?
(A) 0
(B) 1
(C) 2
(D) 3
(E) 5
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統計： A(0), B(1), C(0), D(1), E(0) #3437016
統計： A(0), B(1), C(0), D(1), E(0) #3437016
