47. Which is the best reagent for following reaction?
(A) PCC
(B) Jones reagent
(C) MnO2
(D) Ag2O
(E) KMnO4
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統計: A(4), B(3), C(26), D(0), E(2) #2053844
統計: A(4), B(3), C(26), D(0), E(2) #2053844
