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5.( )下列三個反應式中的 X 與 Y 分別為兩個金屬元素的代號,Cl 為氯的元素符號:已知三個反應均能向右進行,試據此三個反應式,推測下列物質中哪一個是最強的還原劑? (A)XCl3 (B)XCl
問題詳情
5.( )下列三個反應式中的 X 與 Y 分別為兩個金屬元素的代號,Cl 為氯的元素符號:
已知三個反應均能向右進行,試據此三個反應式,推測下列物質中哪一個是最強的還原劑?
(A)XCl3
(B)XCl2
(C)Cl2
(D)YCl2
(E)X。
參考答案
答案:E
統計:A:0,B:1,C:0,D:0,E:1
難度:計算中
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