Comparing and Determing SN1 or SN2 and E1 or E2 reactions
In organic chemistry, distinguishing between SN1 or SN2 and E1 or E2 reactions is crucial for understanding reaction mechanisms and predicting products. These reactions involve the substitution (SN) or elimination (E) of functional groups in organic molecules. SN1 and SN2 reactions differ in their rate-determining steps and mechanisms, while E1 and E2 reactions involve the elimination of a leaving group and the formation of a double bond. Recognizing the key factors such as the substrate structure, nucleophile or base strength, and solvent polarity aids in determining which pathway predominates in a given reaction.
Questions
- Why are carbocations positive?
- If the substrate is primary, can we rule out SN1 and E1 entirely?
- Which one is the most common reaction in organic chemistry: SN1, SN2, E1 or E2?
- Why is vinyl carbocation unstable?
- Why is secondary carbocation more stable?
- Why is SN2 favored over E2?
- When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, what is the major organic product? and through what mechanism is it generated?
- Why phenyl carbocation is unstable?
- What is the product of the following ??? 4-methyl-3-hexanone with #"SH"-"CH"_2"CH"_2-"SH"#
- If the substrate is tertiary, can we rule out SN2?
- Which of the following mechanisms feature carbocation intermediates: SN1 only, SN2 only, E1 only, E2 only or both SN1 and E1?
- What are the products of the following reaction in methoxide in methanol?
- How do we know which factor is most important to evaluate whether a reaction will proceed through SN1/SN2/E1/E2?
- Why is a carbocation #sp^2# hybridized around the central carbon?
- What carbocation is most stable?
- What are #S_N1, S_N2, E1 and E2# reactions? How to identify which reaction is occurring in any given reaction.
- How do you make carbocation?
- How can you determine carbocation stability?
- How do carbocations form?
- Could someone please explain (ii)* to me?