問題詳情
37.下列有關二氧化錳的敘述，何者正確？
(A)由氯酸鉀製備 O 2 時，二氧化錳作為氧化劑
(B)由雙氧水製備 O 2 時，二氧化錳作為催化劑
(C)可由酸性過錳酸鉀溶液與乙烯反應製得二氧化錳
(D)乾電池放電時，以二氧化錳作為還原劑
(E)二氧化錳與鹽酸反應製備 Cl2 時，HCl 用去的莫耳數中有 1 / 2 倍的量作為氧化劑之用 。
(A)由氯酸鉀製備 O 2 時，二氧化錳作為氧化劑
(B)由雙氧水製備 O 2 時，二氧化錳作為催化劑
(C)可由酸性過錳酸鉀溶液與乙烯反應製得二氧化錳
(D)乾電池放電時，以二氧化錳作為還原劑
(E)二氧化錳與鹽酸反應製備 Cl2 時，HCl 用去的莫耳數中有 1 / 2 倍的量作為氧化劑之用 。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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