作者cestlavia (cestlavia)
看板post-b.test
標題[問題]有機 protic and aprotic
時間Thu May 30 21:12:48 2013
15) Protic and aprotic solvents are very similar as solvents
except fortheir 15) ______
A) dielectric constant.
B) ability to stabilize anions by hydrogen bonding.
C) ability to stabilize cations by hydrogen bonding.
D) polarity.
E) ability to stabilize cations with unshared pairs of electrons.
答案是 b 可是為什麼？ 那c為什麼不行選
煩請高手解答
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1F：→ senonno1:舉個例子protic溶劑,ex:ROH上的H可被anion所吸引而產生氫 05/30 21:25
2F：→ senonno1:鍵,像這樣>>ROH:::A-,:::代表氫鍵,所以本題可看成protic 05/30 21:27
3F：→ senonno1:型溶劑會產生氫鍵的樣子來解答 05/30 21:28
4F：→ cestlavia:我懂了 謝謝senonnol~~真的很感謝 05/30 21:32