What does an electrophile attack?
Electrophilic addition is a reaction between an electrophile and nucleophile, adding to double or triple bonds. An electrophile is defined by a molecule with a tendency to react with other molecules containing a donatable pair of electrons.
Where does an electrophile attack?
An electrophile is something which is attracted to electron-rich regions in other molecules or ions. Because it is attracted to a negative region, an electrophile must be something which carries either a full positive charge, or has a slight positive charge on it somewhere.
Does electrophile attack or nucleophile?
Yes, a nucleophilic generally tends to attack the electrophile. This phenomenon occurs mostly in nucleophilic substitution reactions. During this reaction, a nucleophile which is electron-rich forms a bond with or we can say attacks an electron-deficient electrophile.
What happens during electrophilic addition?
An electrophilic addition reaction is a reaction in which a substrate is initially attacked by an electrophile, and the overall result is the addition of one or more relatively simple molecules across a multiple bond.
How do you identify a nucleophilic and electrophilic reaction?
- A Nucleophile Is A Reactant That Provides A Pair Of Electrons To Form A New Covalent Bond.
- An Electrophile Is A Reactant That Accepts A Pair Of Electrons To Form A New Covalent Bond.
- “Nucleophilicity” And “Electrophilicity” Refer To The Extent To Which A Species Can Donate Or Accept A Pair Of Electrons.
What do you understand by electrophilic and nucleophilic reagents which of these would readily attack a carbocation and why?
Which of the two electrophilic and nucleophilic reagents would attack carbonium ion and why? A nucleophile being a negatively charged or electron rich species would attack the carbonium ion which carries a positive charge on carbon atom.
What Orbital is being attacked by the nucleophile?
The carbonyl carbon is the electrophilic atom. The HOMO in the nucleophile is the orbital that contains the lone-pair electrons. The HOMO of the nucleophile approaches the LUMO of the carbonyl carbon at an angle of about 105° to get maximum overlap. The carbon atom in the adduct ends up with tetrahedral geometry.
Where does electrophilic substitution occur?
1.1 Electrophilic substitution. Electrophilic substitution usually occurs preferentially in the aryl group (Figure 3). In compounds containing both an aryl group and a fused benzene ring, electrophiles usually attack the aryl group exclusively.
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