下列化合物中最难发生亲核取代反应的是( )
A: RCOOH
B: RCOCl
C: RCOOR`
D: RCONH2
A: RCOOH
B: RCOCl
C: RCOOR`
D: RCONH2
举一反三
- 下列化合物中最难发生亲核取代反应的是( )。 A: RCOCl B: RCOOR' C: RCOOCOR' D: RCONH2 E: RCOOH
- 羧酸衍生物发生亲核取代反应的活性次序是哪一个? A: RCONH2 > RCOCl > RCOOCOR’> RCOOR’ B: RCONH2 > RCOCl > RCOOR’> RCOOCOR’ C: RCOCl > RCOOCOR’> RCOOR’> RCONH2 D: RCOCl > RCOOR’> RCOOCOR’> RCONH2
- 羧酸衍生物发生亲核取代反应的活性次序为() A: RCOCl >; RCOOR’>; RCOOCOR’>; RCONH2 B: RCOCl >; RCOOCOR’>; RCOOR’>; RCONH2 C: RCONH2 >; RCOCl >; RCOOR’>; RCOOCOR’ D: RCONH2 >; RCOCl >; RCOOCOR’>; RCOOR’
- 羧酸衍生物发生亲核取代反应的活性次序哪个是正确的? A: RCOCl > RCOOR’> RCOOCOR’> RCONH2 B: RCOCl > RCOOCOR’> RCOOR’> RCONH2 C: RCONH2 > RCOCl > RCOOR’> RCOOCOR’ D: RCONH2 > RCOCl > RCOOCOR’> RCOOR’
- 羧酸衍生物发生亲核取代反应的活性次序哪个是正确的? A: RCOCl > RCOOR’> RCOOCOR’> RCONH2 B: RCOCl > RCOOCOR’> RCOOR’> RCONH2 C: RCONH2 > RCOCl > RCOOR’> RCOOCOR’ D: RCONH2 > RCOCl > RCOOCOR’> RCOOR’