• 2022-07-28 问题

    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为() A: RCOCl >; RCOOR’>; RCOOCOR’>; RCONH2 B: RCOCl >; RCOOCOR’>; RCOOR’>; RCONH2 C: RCONH2 >; RCOCl >; RCOOR’>; RCOOCOR’ D: RCONH2 >; RCOCl >; RCOOCOR’>; RCOOR’

  • 2022-07-26 问题

    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是哪一个? A: RCONH2 > RCOCl > RCOOCOR’> RCOOR’ B: RCONH2 > RCOCl > RCOOR’> RCOOCOR’ C: RCOCl > RCOOCOR’> RCOOR’> RCONH2 D: RCOCl > RCOOR’> RCOOCOR’> RCONH2

  • 2022-07-26 问题

    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’

  • 2022-07-28 问题

    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’

  • 2022-07-26 问题

    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是哪一个? A: RCONH2 > RCOCl > RCOOCOR’> RCOOR’ B: RCONH2 > RCOCl > RCOOR’> RCOOCOR’ C: RCOCl > RCOOCOR’> RCOOR’> RCONH2 D: RCOCl > RCOOR’> RCOOCOR’> RCONH2

  • 2022-07-28 问题

    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为() A: RCOCl > RCOOR’> RCOOCOR’> RCONH2 B: RCOCl > RCOOCOR’> RCOOR’> RCONH2 C: RCONH2 > RCOCl > RCOOR’> RCOOCOR’ D: RCONH2 > RCOCl > RCOOCOR’> RCOOR’

  • 2022-07-26 问题

    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’

  • 2022-07-26 问题

    下列化合物属于羧酸的是 A: RCOOH B: RCHO C: ROH D: RCOOR

    下列化合物属于羧酸的是 A: RCOOH B: RCHO C: ROH D: RCOOR

  • 2022-11-02 问题

    一元羧酸酯的通式是 A: RCOR’ B: RCOOR’ C: ROR’ D: RCOOH

    一元羧酸酯的通式是 A: RCOR’ B: RCOOR’ C: ROR’ D: RCOOH

  • 2022-11-02 问题

    一元酸酯的结构通式是 A: RCOR B: ROR C: R—COOH D: RCOOR

    一元酸酯的结构通式是 A: RCOR B: ROR C: R—COOH D: RCOOR

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