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Which of the following alkenes is most likely to undergo electrophilic addition

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Question: Which of the following alkenes is most likely to undergo electrophilic addition reaction?

Options:

  1. Cyclohexene
  2. 1,3-butadiene
  3. 1-hexene
  4. 2-methylpropene

Correct Answer: 2-methylpropene

Solution:

2-methylpropene is more reactive towards electrophilic addition due to steric hindrance being lower compared to other options.

Which of the following alkenes is most likely to undergo electrophilic addition

Practice Questions

Q1
Which of the following alkenes is most likely to undergo electrophilic addition reaction?
  1. Cyclohexene
  2. 1,3-butadiene
  3. 1-hexene
  4. 2-methylpropene

Questions & Step-by-Step Solutions

Which of the following alkenes is most likely to undergo electrophilic addition reaction?
  • Step 1: Understand what an alkene is. An alkene is a type of hydrocarbon that contains at least one carbon-carbon double bond.
  • Step 2: Know what an electrophilic addition reaction is. This is a reaction where an electrophile (a positively charged species) adds to the double bond of the alkene.
  • Step 3: Identify the alkenes given in the question. Look for their structures and substituents.
  • Step 4: Consider steric hindrance. Steric hindrance refers to the crowding around the double bond that can affect how easily the electrophile can approach and react with the alkene.
  • Step 5: Compare the alkenes. Determine which alkene has less steric hindrance, meaning it is less crowded and more accessible for the electrophile.
  • Step 6: Conclude that 2-methylpropene has lower steric hindrance compared to the other alkenes, making it more reactive towards electrophilic addition.
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