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Which of the following compounds undergoes elimination more readily?

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Question: Which of the following compounds undergoes elimination more readily?

Options:

  1. 1-bromopropane
  2. 2-bromobutane
  3. 3-bromopentane
  4. 1-bromo-2-methylpropane

Correct Answer: 3-bromopentane

Solution:

3-bromopentane undergoes elimination more readily due to the stability of the tertiary carbocation formed during the reaction.

Which of the following compounds undergoes elimination more readily?

Practice Questions

Q1
Which of the following compounds undergoes elimination more readily?
  1. 1-bromopropane
  2. 2-bromobutane
  3. 3-bromopentane
  4. 1-bromo-2-methylpropane

Questions & Step-by-Step Solutions

Which of the following compounds undergoes elimination more readily?
  • Step 1: Understand what elimination means in chemistry. It is a reaction where two atoms or groups are removed from a molecule, forming a double bond.
  • Step 2: Identify the compounds being compared. In this case, we are looking at 3-bromopentane and another compound.
  • Step 3: Know that elimination reactions often involve the formation of a carbocation, which is a positively charged carbon atom.
  • Step 4: Determine the type of carbocation formed from 3-bromopentane. It forms a tertiary carbocation, which is more stable than primary or secondary carbocations.
  • Step 5: Remember that more stable carbocations lead to faster elimination reactions.
  • Step 6: Conclude that since 3-bromopentane forms a stable tertiary carbocation, it undergoes elimination more readily than compounds that form less stable carbocations.
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