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 correczh+9r 8o3dvyy t?js9nn ceu vpj8j/b(w0k b04m :
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 is a lolnml2m6mzv*i 57+0 jyyecz33ftg g n8ne pair of electrons on the N atom o87n6myizg eg0n3vf2 mj35 c+*lmtz lyf $CH_3NH_2$.
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.
| 
