Added: 2 years ago
From: freelanceteach
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  • God bless you!

  • YOU ARE SO AWESOME HAVE MY BABIES!!!!

  • HAVE MY BABIES!

  • What constitutes a non-bulky base and a bulky base? What is the difference? I understand that the bulky base is different because its larger, but exactly how much larger? What is the definition of bulky...more than one methyl group, greater molecular mass???

  • why didn't he write the iodine at the end with the negative charge since it was eliminated? i am just confused why would that be wrong?? anyways this helps A TON because my book is so confusing and my prof goes very fast. these reactions are not that difficult you just must memorize the patterns and the handout def helps! i will donate after my o chem class is over and hopefully pass!

  • why is this a bulky base? it only has 1 methyl group

  • @bungerman1000 never mind he answered my question later and forgot the 3.

  • @bungerman1000 it has 3 methyl group bonded to C

  • @bungerman1000 i think that we were using the same base as before, but the subscript 3 was just forgotten. i am pretty sure he meant to write (CH3)3CO- (i am assuming that you are talking about the second reaction with the iodocyclohexane.)

  • hmm.. probably never going to attend actual chem class ever again...

  • omg...

    I'm pretty good at ochem, but I've always had an issue with some things clicking.

    THANK YOU! They have finally clicked. You, my friend, are what a teacher is: Someone who gives their time and energy to altruistically help aspiring pupils. You seriously need to have your videos put into the Teaching Company series.

  • can we disregard where the I ends up and just assume it forms I2?

  • @brothadave I presume it depends on which specific reaction as it might react with other substituents or with itself or the solvent used (if any) but for first year chem stuff I wouldn't have thought it matters too much if you disregard it. Anyone feel free to correct me though because I'm not the greatest chemist in the world

  • Thank you so much for these videos! I have a question though (for anyone), how did we know that the (CH3)CO- was acting as a base instead of a nu? I thought the reaction with the iodocyclohexane would have been a SN2 instead of E2. Sorry for the trouble and thank you in advance! :)

  • @AutumnTeaLeaves It is acting as a base because it is so big and bulky. A good nucleophile will never be big and bulky, but this makes a really good base.

  • I've heard nothing but horror stories about O.chem professors so when I got a good one I was nothing but thankful... then I found these videos and they still put her to shame!!! My prof is still a sweetheart though.. a cute little old lady with a Persian accent haha

  • These videos are gems. I was wondering when he would get to the cyclic molecules and BAM! I love this.

  • o chem teachers just don't teach. its crazy. i've had two now and they simply do not teach. this helps so much

  • ur 100 times better than my chemistry teacher! thank you :D

  • man i wish i would have seen these before my test it would have helped a lot

  • can someone tell me why a double bond was formed?thanks

  • oh never mind! i jumped the gun. got it!

  • wait so where does the iodine go?

  • NU in Boston, this guy's way better than my prof. I wish students could have their say on hiring professors.

  • How can my ochem prof expect all of this to be known w/o teaching it?? You rock!!

  • where do u go to school, ocimy?

  • WSU.... my biggest regret lol. Yourself?

  • OCC, you probably havent heard of it but my teacher doesnt teach either so I thought u might be in my class :P lol

  • You're saving my ass man! My O chem teacher sucks!!! I'd pay but I'm broke LOL!

  • This guy is a miracle!!!!

  • you are amazinggggg!!

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