What type of reaction occurs when chlorobenzene is treated with magnesium in dry

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Question: What type of reaction occurs when chlorobenzene is treated with magnesium in dry ether? (2019)

Options:

Correct Answer: Grignard reaction

Exam Year: 2019

Solution:

The reaction of chlorobenzene with magnesium in dry ether forms a Grignard reagent, which is a key step in organic synthesis.

What type of reaction occurs when chlorobenzene is treated with magnesium in dry ether? (2019)

What type of reaction occurs when chlorobenzene is treated with magnesium in dry ether? (2019)

Step 1: Start with chlorobenzene, which is a compound made of a benzene ring with a chlorine atom attached.
Step 2: Add magnesium metal to the chlorobenzene in a dry ether solution. Dry ether is a solvent that does not contain water.
Step 3: The magnesium reacts with the chlorine atom in chlorobenzene, replacing it and forming a new bond.
Step 4: This reaction creates a Grignard reagent, which is a new compound that has a magnesium atom bonded to the benzene ring.
Step 5: The Grignard reagent is important in organic chemistry because it can be used to create other compounds.

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