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RMgX+ CO_2→ _ ether^ dryYoversetH_3 O^+ longrightarrow RCOOH What is Y in the above reaction?

NEET UG 2022 — Chemistry Organic Chemistry

2022mcqmedium

RMgX+CO2→etherdryY⟶H3O+RCOOH\mathrm{RMgX}+{\mathrm{CO}}_{2}\rightarrow _{\mathrm{ether}}^{\mathrm{dry}}Y\overset{{H}_{3}{O}^{+}}{\longrightarrow }\mathrm{RCOOH}RMgX+CO2​→etherdry​Y⟶H3​O+​RCOOH

What is YYY in the above reaction?

Official previous-year question

Held on 30 Apr 2022 · Verified 9 Jul 2026.

Options

  1. A

    R3CO−Mg+X{R}_{3}{\mathrm{CO}}^{-}{\mathrm{Mg}}^{+}XR3​CO−Mg+X

  2. B

    RCOO−X+{\mathrm{RCOO}}^{-}{X}^{+}RCOO−X+

  3. C

    (RCOO)2Mg(\mathrm{RCOO}){}_{2}\mathrm{Mg}(RCOO)2​Mg

  4. D

    RCOO−Mg+X{\mathrm{RCOO}}^{-}{\mathrm{Mg}}^{+}XRCOO−Mg+X

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