Exceptions To The Octet Rule - Lewis Dot Diagrams

Рет қаралды 614,356

6 жыл бұрын

This chemistry video tutorial discusses the exceptions to the octet rule while providing the lewis dot diagrams of the molecular compounds involved. BH3 has an incomplete octet - that is, it has less than 8 electrons. Molecules such as ICl5 and PCl5 have an expanded octet which means the center atom has more than 8 electrons. The last category are molecules with odd number of electrons such as NO and NO2. These will always be electron deficient and contain an incomplete octet at the nitrogen atom.
How To Draw Lewis Structures:
• How To Draw Lewis Stru...
VSEPR Theory:
• VSEPR Theory - Basic I...
Molecular Geometry:
• Molecular Geometry & V...
Lewis Dot Structures:
• Lewis Dot Structures -...
Lewis Structures of Ionic Compounds:
• How To Draw The Lewis ...
_________________________________
Octet Rule Exceptions:
• Exceptions To The Octe...
Resonance Structures:
• Resonance Structures, ...
Polar and Nonpolar Molecules:
• Polar and Nonpolar Mol...
Formal Charge Calculations:
• How To Calculate The F...
Lewis Structures - Mega Review:
• Lewis Structures, Intr...
________________________________
Hybridization of Atomic Orbitals:
• Hybridization of Atomi...
Molecular Orbital Theory:
• Molecular Orbital Theo...
Dipole Dipole Forces of Attraction:
• Dipole Dipole Forces o...
Hydrogen Bonding:
• Hydrogen Bonds In Wate...
Unit Cell Chemistry:
• Unit Cell Chemistry ...
_________________________________
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Пікірлер: 243

@TheOrganicChemistryTutor 9 ай бұрын

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@hadeerrashad5486 6 жыл бұрын

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@LinaSlay-md3vo 8 ай бұрын

@@JH-ux1re5years after and I feel the same

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@georgesadler7830 4 күн бұрын

Professor Organic Chemistry Tutor, thank you for a fantastic analysis into the Exceptions to the Octet Rule in AP/General Chemistry.The examples/practice problems shows the complete Octet Rule and when they are violated in Modern Chemistry. Professor Organic Chemistry Tutor, thanks to the viewers for finding and correcting the errors in this video.

@mohubeduabram3896 6 жыл бұрын

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@labajomtvince545 3 жыл бұрын

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@monkeyninja7988 3 жыл бұрын

thank you but you have created a paradox.

@molo2793 3 жыл бұрын

Tru

@buryakulikov2415 3 жыл бұрын

@@monkeyninja7988 No, he is implying that you are a nobody

@monkeyninja7988 3 жыл бұрын

@@buryakulikov2415 still paradoxical unless he is using "no body" as a name

@gia3832 3 жыл бұрын

Just to help you guys- when he draws ICl5, he forgets to draw the 6 valence electrons around EACH Cl. Remember, the valence electrons are still there!

@julianoliver4386 3 жыл бұрын

thats what i came to the comment section for!

@samusaran13372 2 жыл бұрын

often times in higher chemistry courses, they will be omitted. but yeah you're right, and in gen chem or high school chem, teachers will likely take points off.

@jakestewart9 Жыл бұрын

tysm for saying that, i was so confused lmao

@glosephXO Жыл бұрын

Thanks a bunch. Came to the comments hoping someone would confirm this😅😅

@John-bq1lp 5 жыл бұрын

man i love coming to your videos after I learn this stuff in school. It really helps to embed the information. ur a legend man.

@blackraven6049 6 жыл бұрын

Thank you! Unlike most people who come to youtube to learn, I have had a phenomenal professor, however even then I was unable to grasp VSEPR and Lewis Structures. you have made it so incredibly clear.

@flwrtyong 5 жыл бұрын

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@ashudesmond3050 2 жыл бұрын

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@anoushkaghosh6526 2 жыл бұрын

I struggled with this concept for days. Thankyou so much☺️☺️.

@sea5205 5 жыл бұрын

Thankyou, I have been wondering why there were so many exceptions to the octet rule!

@SoylentSoy 9 ай бұрын

Dude, from one teacher to another. You're great at this. (Even if I am 6 years late to the party.) Your accent make's it interesting. "So that's BH3, that's just how it is. You gotta problem wit dat, wise guy?" OH, LOOKAT dis guy, with his exception to the octet rule. "HEY, I'm doin' Chemistry heah." etc. etc.

@serenacrawford2342 5 жыл бұрын

You are a God sent! Whenever I need help I know i'll find the answer in your videos and you always have clever ways to figure out problems! Thank you

@njodzekasharlot8990 2 жыл бұрын

Thank you for improving my knowledge in chemistry

@user-rc7ik7xj1p 5 жыл бұрын

organic tutor , god bless you brother and I wish you the very best

@nicolasdelaeter4124 6 жыл бұрын

Thank you so much!! I think I get the octet rule now :)

@ryanchen9010 4 жыл бұрын

You have been my mentor for so long

@gdrivx 3 жыл бұрын

Well explained. Expectations arise for more in future.

@Matt-qt7ep 4 жыл бұрын

Thank you for this help I appreciate it! But there should be 3 lone pairs on each Cl atom at 5:45

@souhad0130 5 жыл бұрын

thank you so much for simplifying it !!!

@victormai5182 6 жыл бұрын

better than some of the videos with many more views

@regiice7579 Жыл бұрын

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@cosmo2139 Жыл бұрын

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@-mari-1880 5 жыл бұрын

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@soryegetun529 2 жыл бұрын

Awesome explanation. Thanks so much

@blurr_727 8 ай бұрын

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@gartyqam 5 жыл бұрын

2:02 sounds like "the reason why nitrogen can have 8" -- he meant to say nitrogen CAN'T have more than 8. just a clarification for u guys

@enderslot467 4 жыл бұрын

how about the first row? can they be expanded? ..no? ....iam stupid

@KishoreG2396 4 жыл бұрын

@@enderslot467 No they cannot because the first row only has the 1s orbital, which can only hold 2 electrons maximum.

@enderslot467 4 жыл бұрын

@@KishoreG2396 so..question sir what is the valence of the column of He

@fkncompton7124 4 жыл бұрын

@@enderslot467 He column (Noble gases) have 8 valence electrons

@jasonma6177 3 жыл бұрын

I think it was his accent, I listened to it again and I think he said, "The reason why nitrogen can't have more than eight"

@krunalbaria7322 3 жыл бұрын

Simple and easy to understand

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@jacoboribilik3253 5 ай бұрын

I hate chemistry, there are exceptions to everything all the time because no one is able to come up with an all encompassing theory.

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@jisoo4223 Жыл бұрын

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@zoeallen66 2 жыл бұрын

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@njodzekasharlot8990 2 жыл бұрын

Please can you explain the preparations of different organic compounds

@kamalinmasturasaidin4204 Жыл бұрын

hi sir, may i ask when do we need to calculate those lone pairs?

@demiladedanielesho6774 Жыл бұрын

Thanks 😮

@ChronoYGaming 4 жыл бұрын

thank you sir

@barkzai2000 4 жыл бұрын

Does that lone pair calculation only work when the central atom doesn’t follow the octet rule?

@Jjjj-ft6rw 2 ай бұрын

Thank youuuuuuu

@masouddashti1734 4 жыл бұрын

Very good, I have a question what app or instrument you use? I mean that black board and the way you write on it, I m a teacher and need this good way to teach to my students, thank you

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Sooo helpful! Thanks! Wish me luck on finals lmfao XD

@rocksmoke3752 3 жыл бұрын

thanks

@malaikabaig4929 4 жыл бұрын

THANKS

@ezra2370 3 жыл бұрын

that lone pair formula 😎 life just got easier

@gottalent4579 5 жыл бұрын

bro can you apply to be a chem teacher at UIC. we need you

@Killia0316 Жыл бұрын

Hi, when I try to get the lone pairs in NO my answer is 3/2, what does this mean?

@narasimharaob4582 3 жыл бұрын

Meru thoupuuu sirrr 😃

@ultrasonic7730 3 ай бұрын

Does that formula of L.P work for ions just as well as for molecules ?

@bananabird7584 4 жыл бұрын

So can an expanded octet create an extra shell if the number of electrons exeed 8?

@mirzunayedali1724 3 ай бұрын

Someone help what's happening at NO2 at 12:10? Oxygen isn't donating anything. And given that Nitrogen primarily has 5 ve at the start, im assuming a coordinate bond has been formed with the Oxygen atom on the right? SInce it looks like two electrons have been donated to Oxygen there by Nitrogen solely. If we assume that two have been donated to oxygen by nitrogen on that side, only then does it imply that it had 5 valence electrons in the beginning. Otherwise it doesn't make sense. Am i getting anything wrong?

@ariannarodriguez5014 4 жыл бұрын

Wait, the electron configuration for P is 1s2,2s2,2p6,3s2,and 3p3. 2+2+6+2+3=15. That is the atomic number of P.

@rassimsimou1594 Жыл бұрын

Good

@gokboru551 8 ай бұрын

Wish me luck, first mid-term tomorrow.

@beyonder3925 Жыл бұрын

I came for the NO!🎉

@studywithfavour393 3 жыл бұрын

In the case of so4 where number of lone pair on the central atom is -1?

@kuvira-3666 4 жыл бұрын

watching this for online class because my teacher is useless :/

@limdaoze2976 4 жыл бұрын

hi for theast example is a dative bond formed?

@derekdeadlifts2986 5 жыл бұрын

phosphorus and iodine. I tried it on my homework. I may or may not have gotten it. Hopefully I did.

@nontethelelothenjiwe6460 2 жыл бұрын

You're a boss

@jakobtriezer5450 Жыл бұрын

Why without ion charges? We in Germany learn to do it with those and not single electrons. Also the formula to calculate the lone pairs doesn't apply to every molecule. like methylisonitril f ex. Idk if I'm right pls correct me if I'm wrong