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Amines as Bases

Which of the ...

Question

Which of the following is used as a catalyst for preparing Grignard reagent?

A

Dry ether

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B

Iodine powder

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C

Activated charcoal

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D

Manganese dioxide

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Solution

The correct option is C Dry ether
Dry ether is used as a catalyst for the preparation of Grignard reagent. Diethyl ether is an especially good solvent for the formation of Grignard reagents because ethers are non-acidic (aprotic).
Option A is correct.

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