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Question

Question: Which of the following is used as a catalyst for preparing Grignard reagent....

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

A

Iron powder

B

Iodine powder

C

Activated charcoal

D

Manganese dioxide

Answer

Iodine powder

Explanation

Solution

RX+MgDryetherI2powderRMgXRX + Mg\underset{I_{2}\text{powder}}{\overset{\quad\text{Dryether}\quad}{\rightarrow}}R - Mg - X