20. Rank the following in order of decreasing acidity (more acidic > less acidic): 5d5e033239b42.jpg
(A) II > III > I > IV > V
(B) IV > II > I > III > V
(C) II > IV > I > III > V
(D) V > III > I > II > IV
(E) II > IV > I > V > III

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統計: A(0), B(19), C(2), D(0), E(1) #2055437