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

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

Options:

Correct Answer: Butene

Solution:

The dehydration of 2-butanol typically yields butene as the major product through an elimination reaction.

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

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

Step 1: Understand that dehydration means removing water (H2O) from a molecule.
Step 2: Identify the structure of 2-butanol, which has the formula C4H10O.
Step 3: Recognize that during dehydration, 2-butanol will lose a hydroxyl group (OH) and a hydrogen atom (H) from adjacent carbon atoms.
Step 4: Determine the possible products of this elimination reaction, which will form a double bond between the carbon atoms.
Step 5: Identify the major product, which is butene. There are two isomers of butene: 1-butene and 2-butene.
Step 6: Note that 2-butene is typically the major product due to stability and sterics.

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