Nucleophiles and Electrophiles

This organic chemistry video tutorial provides a basic introduction into nucleophiles and electrophiles. Nucleophiles are lewis bases and electrophiles are lewis acids.
Organic Chemistry - Basic Introduction: • Organic Chemistry - Ba...
Acids and Bases - Basic Intro:
• Acids and Bases - Basi...
Lewis Acids and Bases:
• Lewis Acids and Bases
Hydrocarbons:
• Hydrocarbons - Aliphat...
Constitutional Isomers:
• Constitutional Isomers
_______________________________
IUPAC Nomenclature of Alkanes:
• IUPAC Nomenclature of ...
Naming Cycloalkanes:
• Naming Cycloalkanes Wi...
Naming Bicyclic Compounds:
• Naming Bicyclic Compounds
Naming Ethers:
• Naming Ethers - IUPAC ...
Naming Alcohols:
• Naming Alcohols - IUPA...
Naming Alkyl Halides:
• Naming Alkyl Halides -...
________________________________
Naming Amines:
• Naming Amines - IUPAC ...
Van Der Waal Forces:
• Van Der Waals Forces
Boiling Point of Organic Compounds:
• Boiling Point of Organ...
Organic Chemistry PDF Worksheets:
www.video-tutor.net/orgo-chem...
Organic Chemistry Exam 1 Playlist:
bit.ly/3kJnNXU
Full-Length Videos and Worksheets:
/ collections

[@TheOrganicChemistryTutor]

Organic Chemistry PDF Worksheets: www.video-tutor.net/orgo-chem.html Full-Length Exams and Worksheets: www.patreon.com/MathScienceTutor/collections Next Video: kzbin.info/www/bejne/sGbLgmufj79rmrc

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[@MrAsffgf]

For the Ketone - H+ reaction in the last example, you can draw the resonance structure and find it's more stable for the positive charge to be at the carbon and have 2 lone pairs on O, making O neutral and C (which is less electronegative) carry the positive charge.

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[@toptv1049]

Someone help please! I need to know what topic I can find to help me understand this change of charges stuff like how carbon in the resonance structure of that ketone molecule has a positive charge and why a molecule like OH will be negatively charged.

[@kishorenavale8246]

Thank you

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[@karl-johanmorne5736]

Hi! Great video. But why does the oxygen become positive when it has one single bond and one double bond?

[@diegovelazquez5643]

because the oxygen is using one of its pair of electrons to form a covalent coordinated bond, so technically, the oxygen is "losing" (just sharing its electrons) with the electrophile

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[@Kenzo_254]

In 3:05 , why do you draw fluoride ion with 8 electrons and a negative charge? Why not draw it with 7 electrons or is there something I'm missing?

[@aniketsatpathy1532]

See @kenzo_254 You're totally right ! but it is the way of representation that the Fluoride had 7e- than the 1 extra e- came that's what the negative sign indicating and since extra electron came it formed lone pair with the 7th electron simple !!!!!

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studying for the ACS orgo exam and could not remember this for the life of me

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I still don't understand

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[@mw4749]

thank you

[@mercyjacob1]

Thanks

[@hi-dx8jw]

Which one is more reactive electrophiles or nucleophile ? Thank you

[@teddow5455]

the nucleophile atom will attack the electrophile, so the nucleophile is more reactive

[@leenmcheik7862]

Did you know the answer?

[@tdpencil2811]

Im 13 years old, and you really helped me with understanding this lol.

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[@sarahschlosser7430]

At 6:30, wouldn’t the keytone be a base not nucleophile or both?

[@sirius_2dm]

Yh it's a nucleophile when it's reacting with an acid, and an electrophile when reacting with a base

[@ShubhamYadav-wh6dc]

its ketone

[@aniketsatpathy1532]

see ! that's really simple as the video suggested depending on the condition the ketone can behave as both electrophile or nucleophile and since video also mentioned that the nucleophile is the lewis base and the electrophile is the lewis acid so, yes you may consider it as base or nucleophile !

[@dianamorad6334]

Are halogens always nucleophilic?

[@r.k.hariharan3741]

Not necessarily they sometimes have positive charges...like in oxyhalo acids HOF(fluorine has +1 charge) but they are unstable....they grab an electron as soon as possible

[@rahulSharma-xo4ih]

Sir is Na+an electiophile pls clarify

[@jeremiahchibueze1169]

Yes it is because it’s a positive reagent

[@triplemgaming5103]

2:42 Does the oxygen form a dative bond?

[@limmuquan4796]

Yes it does

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[@91099Babar]

1:38 What do u mean by Loose acid & base ?

[@stu5759]

*Lewis Acid

[@minired7477]

It's just a definition of acid and base There are other definition for acids and base such as: Arrhenius acid: produces H+ in solution Arrhenius base: produces OH-(hydroxide) in solution There is also the bronstead-lowry definition of acid and base but I'll be going off the point so Acorrding to the Lewis definition of an acid: they are electron pair acceptor, this is the reason why they are called electrophiles because they are normally cation, meaning they have less electrons so they accept the electron pair And for Lewis base definition: they are electron pair donars, they donate their electrons to the Lewis acid, this is the reason why they are called neutrophiles, because they are normally anion meaning they are electron rich, so they can give up their electrons and donate it

[@aniketsatpathy1532]

Answer to this question is really simple since the Carbon atom as the deficiency of the electron density (Positive charge) as per the definition........ simple !

[@tanushrih2178]

1:38 Basically a Lewis Base? Was that done on purpose? 👀

[@combatarts192]

No

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Thank you (Thu 17 Dec 2020, 4:26)

[@ariannagholami]

Wait why is the O staying with a double bond when the hydrogen is added? Why doesn't it become a hydroxyl group?

[@issakawalit490]

Because the oxygen donated one lone pair of electrons to form a covalent bond The double bond has nothing to do with this

[@xusux]

1:10 how in the hell is ch3 electrophile Isnit it nueclophile with a lone pair Bro i am confused

[@mariaaya9802]

It’s a carbocation (CH3+) and with a positive charge being an electron deficiency, it’s an electrophile

[@muhammadzakiahmad8069]

Sir but nucleophiles must be positive because they are RELEASING electron(negative charge).Please please please explain it to me.

[@Akosua411]

No, because since nucleophiles have electrons to give, they're originally negative due to the electrons' negative charge. When they do give those electrons away, they become positive in the products.

[@MaulikSrivastava]

Nucleophile= nucleus loving. Keep in mind that nuclei always contain protons (which are positively charged). And if nucleophiles are proton/nucleus loving(as their name suggests), it is implied that they *themselves* are negatively charged(because opposite charges attract) Hope this helps

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[@aundreataylor3588]

Wouldn't BH3 have a lone pair, so it would act as a nucleophile. Like NH3?

[@limmuquan4796]

Um no, boron only has 3 valence electrons which are all used in bonding with the hydrogen atoms so it has no lone pair

[@limmuquan4796]

BH3 is a electron deficient molecule which acts as a Lewis acid/electrophile

[@aniketsatpathy1532]

Answer to such question is quite simple see boron has only 3 valence electron and it bond with the 3 hydrogen atom and despite of being electron deficient molecule such molecule do exists so as i mentioned it is a electron deficient then , wouldn't it be considered as the nucleophile You think ?

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if something is neutral why would it want to gain or give up electrons. This doesn't make sense at all.

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What about paedophiles?

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Examples include: Yttrium, Oxygen and Uranium

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Thanks