Arrange the following alkyl bromides in order from most reactive to least reactive in an SN2 reaction: 1-bromo-2-methylbutane, 1-bromo-3-methylbutane, 2-bromo-2-methylbutane, and 1-bromopentane.

Rank the alkyl bromides from most reactive to least reactive. To rank items as equivalent, overlap them.

And what makes an alkyl bromide more reactive in this case?

Question

Chemistry

Rolando Morrison

20 October, 11:55

Arrange the following alkyl bromides in order from most reactive to least reactive in an SN2 reaction: 1-bromo-2-methylbutane, 1-bromo-3-methylbutane, 2-bromo-2-methylbutane, and 1-bromopentane.

Rank the alkyl bromides from most reactive to least reactive. To rank items as equivalent, overlap them.

And what makes an alkyl bromide more reactive in this case?

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Answers (1)

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Shane · Answer 1

Primary alkyl halides tend to undergo the SN2 reaction mechanism in nucleophilic substitution since there is less steric hindrance for nucleophilic attack and the carbocations that they form are not as stable as those formed from tertiary alkyl halides.

1-bromopentane > 1-bromo 2-methylbutane > 1-bromo-3-methylbutane > 2-bromo 2-methylbutane