In this lab, you are to carry out the formation of a Grignard reagent from 1-bromo-benzene andits subsequent reaction with solid carbon dioxide (CO2) followed by acidic workup (using HCl asthe acid). Write the overall reaction and product(s) that you expect.

(A). C6H5Br + Mg(in ether) > C6H5MgBr.

(B). C6H5MgBr + O = C = O > C6H5-COO^- Mg^+ Br.

(C). C6H5-COO^- Mg^+ Br + HCl > C6H5-COOH + Mg^+Br(OH).

PRODUCTS=> C6H5-COOH and Mg^+Br(OH).

Explanation:

A Grignard reagent is a reagent that/which is an organometallic compound that is R -Mg- X. The R = alkyl, vinyl or allyl and the X = halogens.

It must be noted that an important reaction of Grignard reagent is its reaction with compounds containing the Carbonyl that is -CO functional group and this kind of Reaction is known as a Grignard Reaction.

So, in this question we are told that;

=> "1-bromo-benzene andits subsequent reaction with solid carbon dioxide (CO2) followed by acidic workup (using HCl asthe acid). "

Thus;

(A). C6H5Br + Mg(in ether) > C6H5MgBr.

(B). C6H5MgBr + O = C = O > C6H5-COO^- Mg^+ Br.

(C). C6H5-COO^- Mg^+ Br + HCl > C6H5-COOH + Mg^+Br(OH).

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