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

Practice Questions

Q1
What is the product of the dehydration of 2-butanol?
  1. Butene
  2. Butyne
  3. Butadiene
  4. Butanol

Questions & Step-by-Step Solutions

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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