A grignard reagent may be made by reacting magnesium with
A
Ethyl bromide
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B
Ethyl alcohol
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C
Methyl amine
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D
Diethyl ether
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Solution
The correct option is A Ethyl bromide Magnesium can be reacted with alkyl halides or aryl halides to form Grignard reagents. The organic halide is added to a magnesium suspension in an dry ether solvent. It is important to note that the reagent can be made with alkyl chlorides, bromides, and iodides but not with fluorides. A grignard reagent is an extremely powerful nucleophile and can react with electrophiles like carbonyl compounds.