[學習] 有關Lewis base一問?

[ISME0907 (ISME)]

  Which of the followong reactions, does Alcohol as a Lewis base?

 A.ROH  + NaNH2 ---> RONa  +  NH3
 B.ROH  + TsCl  ---> ROTs  +  HCl
 C.ROH  + H+　　---> RO(+)H2
                      ~~~
                      氧帶正電


  答案是C,請問B哪裡錯了?                            謝謝大家囉^^

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→ flowerkid:C後面那邊應該是R帶正電吧
→ x06Cc:B.沒有提供lone pair
→ ISME0907:B以氧上的lone pair的電子去攻壓
→ allenehongn:For B, that is defined as a nucleophile.
推 x06Cc:因為以結果來看，那是置換反應。
推 prime0628496:題目的英文錯很大。