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]
Which statements are correctjmu8hem:6l u- x /-nwvz 84 e *v1n25xvjjtwpz?
I.$CH_3NH_2$ is a Lewis base
II.HOOCCOOH is a Bronsted-Lowry acid
III.$CH^+_3$ is a Lewis acid
A. I and II only
B. I and III only
C. II and III only
D. I, II, and III
参考答案: D
本题详细解析:
Statement I is correct because there tx(h+:p d4 go7ux5efg2rd r62ug.xbq is a lone pair of electrons on the N atom o:x.t uuh5gr2e pfx4 xgdq (g6ro7 db+2f $CH_3NH_2$.
Statement II is correct as HOOCCOOH is a dicarboxylic acid with two protons that can be donated.
Statement III is correct as $CH^+_3$ is electron deficient and can accept a lone pair of electrons.
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