問題詳情
18. 關於反應速率的實驗步驟中:取 0.428 克 KIO3加水配成 100 毫升 A 溶液,另取 0.19 克 Na2S2O0.4 克可溶性澱粉及 0.1 M H2SO4(aq) 0.5 毫升混合而加水配成 100 毫升 B 溶液。實驗時,依下表充分混合各溶液,則下列各選項中哪些可呈藍色?(式量 KIO3=214,Na2S2O5=190)
(A)
(B)
(C)
(D)
參考答案
答案:B,C,D,E
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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