MHT CET 2022 Chemistry question

Which among the following methods is used to prepare Grignard reagent?

(A)Action of magnesium metal on alkyl halide in presence of dry etherCorrect
(B)Action of magnesium powder on alkyl halide in aqueous medium
(C)Action of magnesium hydroxide on alkyl halide
(D)Action of on alkyl halide in presence of dry ether

Answer: (A)

Solution

Grignard reagents are prepared by the action of magnesium metal (turnings) on an alkyl or aryl halide in dry (anhydrous) diethyl ether: . The ether solvates and stabilises . Hence option (A). In an aqueous medium (B) the

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Question ID VK-096979