Question

explain groves process

Answer 1

Grooves process= It is the process to synthesize alkylhalide from alcohol using ZnCl₂.Mar 18, 2017.

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Answer 2

Answer:

Grooves process= It is the process to synthesize alkylhalide from alcohol using ZnCl2

It is the process to synthesize alkylhalide from alcohol using ZnCl₂.

The reaction can be written as:

                               Anhyd ZnCl₂

R --- OH + H---X     ========>>   RX + H₂O

The reactivity order of  in the above reaction is : HI > HBr > HCl > HF

Reactivity order of alcohols =  3⁰ > 2⁰ > 1⁰ > MeOH

2⁰ and 3⁰ alcohols undergo SN₁ mechanism, whereas 1⁰ and MeOH undergo SN₂ mechanism. Concentrated HCl + anhy. ZnCl₂ is known as lucas reagent. In Groove's process, ZnCl₂ is used to weaken C-OH bond. In case of 3⁰ alcohol, ZnCl₂ is not required.

Example =

                              Anhyd ZnCl₂

C₂H₅OH + HCl    ===========>>  C₂H₅Cl + H₂O