Q. $RMgX + CO_2 \xrightarrow{dry\ ether} Y \xrightarrow{H_3O^+} RCOOH$ What is Y in the above reaction?
A) $(RCOO)_2Mg$
B) $RCOO^-Mg^+X$
C) $R_3CO^-Mg^+X$
D) $RCOO^-X^+$
Explanation
[Solution] The Grignard reagent adds to $CO_2$ to give the halomagnesium carboxylate $RCOO^-Mg^+X$, which on hydrolysis gives RCOOH. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.