問題詳情
5.下列何者為二質子酸？
(A)亞硫酸H2SO
(B)亞磷酸H3PO
(C)蟻酸CH2O
(D)草酸H2C2O
(E)次磷酸H3PO2。
(A)亞硫酸H2SO
(B)亞磷酸H3PO
(C)蟻酸CH2O
(D)草酸H2C2O
(E)次磷酸H3PO2。
參考答案
答案：A,B,D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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