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NEET CHEMISTRYGeneralMedium

Question

Identify the product in the following reaction:

C6H5N2Cl→(ii)Mg/dryether(i)Cu2Br2/HBr→(iii)H2OProductC_6H_5N_2Cl \xrightarrow[(ii) Mg/dry ether]{(i) Cu_2Br_2/HBr} \xrightarrow[(iii) H_2O]{} Product

A

Bromobenzene

B

Benzene

C

Phenol

D

Phenylmagnesium bromide

Step-by-Step Solution

The reaction sequence is: 1. Sandmeyer reaction of benzenediazonium chloride (C6H5N2ClC_6H_5N_2Cl) with Cu2Br2/HBrCu_2Br_2/HBr gives bromobenzene (C6H5BrC_6H_5Br). 2. Reaction of bromobenzene with Mg in dry ether forms the Grignard reagent, phenylmagnesium bromide (C6H5MgBrC_6H_5MgBr). 3. Hydrolysis of the Grignard reagent with H2OH_2O yields benzene (C6H6C_6H_6).

Exam Context & Concepts Covered

This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from General. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

CHEMISTRYidentifyproductfollowingreactionxrightarrowii

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