Multiple Choice
Which of the following is a correct statement about the hybridization of carbon in methane (CH4)?
1. A Review of General Chemistry
Intro to Organic Chemistry
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In the context of organic reactions, which type of reaction mechanism typically occurs faster?
A
SN1 reaction
B
SN2 reaction
C
E2 reaction
D
E1 reaction
Verified step by step guidance1
Understand the difference between SN1 and SN2 reactions: SN1 reactions are unimolecular nucleophilic substitution reactions, while SN2 reactions are bimolecular nucleophilic substitution reactions.
Consider the factors affecting reaction rates: SN2 reactions are typically faster because they involve a single concerted step where the nucleophile attacks the substrate at the same time as the leaving group departs.
Analyze the steric hindrance: SN2 reactions are faster in less hindered substrates because the nucleophile can more easily approach the electrophilic carbon.
Evaluate the role of the nucleophile: In SN2 reactions, a strong nucleophile is required to attack the substrate effectively, which contributes to the faster reaction rate.
Compare with E1 and E2 reactions: E2 reactions are also bimolecular and can be fast, but they involve elimination rather than substitution. E1 reactions, like SN1, are unimolecular and generally slower due to the formation of a carbocation intermediate.
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