structural formula of alkyl magnesium halite?
Answers
Answer :
RMgX
Explenation :
The alkyl magnesium halides described in the second reaction are called Grignard Reagents after the French chemist, Victor Grignard, who discovered them.
Grignard reagent involves an alkaline earth metal in its structure. The Grignard reagent has a nucleophilic alkyl or aryl group in its structure. It also involves elements from group-17 in the periodic table.
Complete step by step solution:
The Grignard reagent is an organic reagent which was found by scientist Victor Grignard.
-This reagent involves magnesium metal in its structure.
-Alongside magnesium metal, there is an alkyl or aryl group and a halogen atom bonded with it. So, this reagent is also called an organo-magnesium compound.
-The General formula of Grignard reagent is RMgX or R-MgX.
-Here, -R indicates the alkyl or aryl group.
-X can be any halogen atom-like chlorine (Cl), bromine (Br), or Iodine (I). Fluorine cannot be used in the Grignard reagent as it is hardly reactive when in the Grignard reagent.
-Here are some examples of the Grignard reagent.
CH3MgCl : Methyl magnesium chloride
Ph−MgBr : Phenyl magnesium bromide
-The preparation of the Grignard reagent can be done by the reaction of an alkyl or aryl halide with magnesium metal in the ether as a solvent. So, we can write this reaction as
R−X+Mg−→−−Ether (RMgX)
-The reaction shown here proceeds through a free radical mechanism. That means that the intermediates formed during the reaction are free radicals.
Thus, we can say that the formula for Grignard reagent is RMgX.
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