What is the main product when an aldehyde reacts with a Grignard reagent?

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Question: What is the main product when an aldehyde reacts with a Grignard reagent?

Options:

Correct Answer: Alcohol

Solution:

The reaction of an aldehyde with a Grignard reagent produces a primary alcohol after hydrolysis.

What is the main product when an aldehyde reacts with a Grignard reagent?

What is the main product when an aldehyde reacts with a Grignard reagent?

Step 1: Identify the aldehyde you are starting with. Aldehydes have the structure RCHO, where R is a hydrocarbon group.
Step 2: Identify the Grignard reagent, which has the general formula RMgX, where R is a hydrocarbon group and X is a halogen.
Step 3: When the aldehyde reacts with the Grignard reagent, the Grignard reagent attacks the carbon atom of the carbonyl group (C=O) in the aldehyde.
Step 4: This attack forms a new carbon-carbon bond, resulting in a compound called an alkoxide intermediate.
Step 5: The alkoxide intermediate is then treated with water (hydrolysis), which converts it into a primary alcohol.
Step 6: The final product is a primary alcohol, which has the structure RCH2OH.

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