Grignard reagent is obtained when magnesium is treated with:

alkyl halide in the presence of alcohol

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alkyl halide in the presence of phenol

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alkyl halide in the presence of dry ether

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alkyl halide in the presence of alcoholated ether

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Solution

The correct option is D alkyl halide in the presence of dry ether
Grignard reagents form via the reaction of an alkyl or aryl halide with magnesium metal. The reaction is conducted by adding the organic halide to a suspension of magnesium in an ethereal solvent, which provides ligands required to stabilize the organomagnesium compound.
The reaction is as follows:
$R - X + M g d r y e t h e r - ---- \to R - M g - X$
Grignard reagent

Suggest Corrections

	Column I		Column II
$(A)$	Alkyl halide + Sodium in presence of dry ether	$(i)$	Sulphonation
$(B)$	Arene + Acid halide in presence of $A l C l_{3}$	$(i i)$	Wurtz reaction
$(C)$	Arene + Fuming sulphuric acid	$(i i i)$	Catalytic hydrogenation
$(D)$	Arene + Hydrogen in presence of $N i$	$(i v)$	Friedel-Crafts reaction