Mechanisms of Chemical Change F.1 Proton Transfer Reactions (id: 13b9f23e5)

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]
The pH of a $0.1\,mol\,dm^{-3}$ solution of phenol is 5.0. What is the approximate $K_a$ of phenol?

A. 9
B. 10
C. $10^{-9}$
D. $10^{-10}$


参考答案:  C


本题详细解析:

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