問題詳情
36. 把過錳酸鉀(KMnO4)加入含有草酸(H2C2O4)的酸性水溶液後會發生反應及產生 CO2 氣體及 Mn2+離子。請問在此反應中何者為還原劑？
(A) KMnO4
(B) H2C2O4
(C) H3O+
(D) CO2
(A) KMnO4
(B) H2C2O4
(C) H3O+
(D) CO2
參考答案
答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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