What is the product of the dehydration of 2-butanol?

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Question: What is the product of the dehydration of 2-butanol?

Options:

Correct Answer: Butene

Solution:

Dehydration of 2-butanol leads to the formation of butene as the major product.

What is the product of the dehydration of 2-butanol?

What is the product of the dehydration of 2-butanol?

Step 1: Understand that dehydration means removing a water molecule (H2O) from a compound.
Step 2: Identify the structure of 2-butanol, which is a four-carbon alcohol with the hydroxyl (OH) group on the second carbon.
Step 3: When 2-butanol undergoes dehydration, the OH group and a hydrogen atom from an adjacent carbon are removed, forming a double bond.
Step 4: The double bond can form between the second and third carbons, resulting in butene.
Step 5: Recognize that there are two possible butene isomers: 1-butene and 2-butene, but 2-butene is the major product due to stability.

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