本题目来源于试卷: Mechanisms of Chemical Change F.1 Proton Transfer Reactions，类别为 IB化学
[单选题]
Concentrated sulfuric acid b:m- yc f7s9w(g ex3l;-jn anagehaves as + wvn+/+cgf;n(ral u ya strong acid when it reacts with water:
$H_2SO_4(aq) \rightarrow H^+(aq) + HSO^-_4(aq)$
$HSO_4^- \rightleftharpoons H^+(aq) + SO_4^{2-}(aq)$
Which of the following is (are) true for $1.0\,mol\,dm^{-3}$ of sulfuric acid?
I.$[H^+]$ is high
II.$[SO_4^{2-}]$ is high
III.$[SO_4^{2-}] = [HSO^-_4]$
A. I, II and III
B. I and II only
C. I and III only
D. I only
参考答案: D
本题详细解析:
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