Question

plz tell this question​

Answer 1

Answer

(C)

Refer to the attachment for solution and mechanism.

Explanation

$\boxed{ \boxed{\green{Grignard\:Reagent}}}$

• Grignard reagent is an organometalic compound

• Grignard reagent is a strong base and strong nucleophile

• In acidic medium, it acts as a base.Hence,dry condition (dry ether) is required to activate its nucleophillic reactions.

$\boxed{ {\green{Preparation}}}$

• It is prepared by the reaction of an R-X with Magnesium.

• The R group can be Alkyl group, phenyl group, $CH_2 = CH-$ group.

Solutions

• $C_6H_5Cl$ Reacts with Mg/Ether to form the grignard reagent $C_6H_5MgCl$

• $CO_2$ has an electrophillic site at the carbon atom (shown in bold ) O=C=0.

• ${C_6H_5}^{-}$ attacks at this eletrophillic site and forms a complex which on hydrolysis produce $C_6H_5COOH$