Which of the following haloalkanes is most likely to undergo elimination rather

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Question: Which of the following haloalkanes is most likely to undergo elimination rather than substitution? (2020)

Options:

Correct Answer: 3-bromobutane

Exam Year: 2020

Solution:

3-bromobutane is more likely to undergo elimination due to steric hindrance, favoring the formation of alkenes.

Which of the following haloalkanes is most likely to undergo elimination rather than substitution? (2020)

Which of the following haloalkanes is most likely to undergo elimination rather than substitution? (2020)

Step 1: Understand the difference between elimination and substitution reactions. Elimination reactions remove atoms to form a double bond, while substitution reactions replace one atom with another.
Step 2: Identify the structure of the haloalkanes given in the question. Focus on the one that has a branched structure.
Step 3: Recognize that branched haloalkanes, like 3-bromobutane, have steric hindrance, which makes it harder for nucleophiles to attack and replace the halogen.
Step 4: Realize that in the presence of steric hindrance, elimination reactions are favored because they can occur without the need for a nucleophile to attack the carbon directly.
Step 5: Conclude that 3-bromobutane is more likely to undergo elimination rather than substitution due to its branched structure and steric hindrance.

No concepts available.