Stability question for alkenes

[omarski]

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Would the one with the lone pairs be more conjugated and thus more stable? Or does the lone pair not contribute to conjugation?

Thanks!

 

[DAT Destroyer]

Would the one with the lone pairs be more conjugated and thus more stable? Or does the lone pair not contribute to conjugation?

Thanks!

The first 3 structures that you have written are incorrect. Carbon would have the incorrect valence. The second structure is valid, and you delocalized the electron pair nicely. This is an important concept, and is depicted wonderfully in the David Klein text book.

Hope this helps..

Dr. Romano

 

[omarski]

Appreciate the reply! I was trying to think deeper about the question from DAT Destroyer, resulting in me drawing gibberish. I'll look over the David Klein text to further solidify my understanding. Thanks 🙂.

 

[DAT Destroyer]

Appreciate the reply! I was trying to think deeper about the question from DAT Destroyer, resulting in me drawing gibberish. I'll look over the David Klein text to further solidify by understanding. Thanks 🙂.

Glad to see you are hammering away at the material. The Klein book simplifies many of the concepts needed for the DAT. If you have any other questions feel free to post them.

Dr. Romano

 

[omarski]

I went over the entire chapter 2 for the Klein book and did the problems the help solidify the concept. I see exactly what I did wrong, the first 3 drawings actually make NO sense. There are many gaps in my knowledge that this book is successfully and easily filling. I like how the practice problems are relatively simple and easy but cover bases for all the important fundamentals for each concept. Thanks again!