Table of Contents
- 1 What is the nucleophile and the electrophile in the reaction?
- 2 What are the examples of electrophile and nucleophile?
- 3 What is the nucleophile and electrophile in a Diels Alder reaction?
- 4 Which species can act as a nucleophile?
- 5 Which of the following Cannot act as nucleophile?
- 6 Which of the following is NOT act as nucleophile?
- 7 Can CH3 act as a nucleophile?
What is the nucleophile and the electrophile in the 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 are the examples of electrophile and nucleophile?
Difference between Electrophile and Nucleophile
| ELECTROPHILE | NUCLEOPHILE |
|---|---|
| Example: All positively charged species such as H+, NO2+, electron-deficient species such as BF3, AlCl3 | Example: All negatively charged species such as OH–, CN–, electron-rich species H2O, NH3 |
What is the nucleophile and electrophile in a Diels Alder reaction?
The Diels Alder reaction is a perfect example. The dienophile is electron-poor (the electrophile). When your diene has substituents on it that give it electron density (pi-donors like oxygen or nitrogen), it is more electron rich – and a better nucleophile.
Which of the following can act as both an electrophile and a nucleophile?
CH3C≡N and H2C=O. both act as nucleophiles due to the presence of lone pair/s of electrons on oxygen or nitrogens and electrophiles due to the presence of multiple bonds.
Why does CH3 act as an electrophile?
Answer: (CH3)3C- can also be formed when the leaving group is less electronegative or in the precence of a base . (CH3)3C- will be weak nucleophile because it has e- rich C centre. It will be weak due to the destabilization of 3 methyl groups.
Which species can act as a nucleophile?
A nucleophile is a species with a negative charge or a lone pair of electrons, that will attack an electron deficient centre. All molecules or ions with a free pair of electrons or at least one pi bond can act as nucleophiles.
Which of the following Cannot act as nucleophile?
Hydroxylamine hydrochloride or [NH3OH]+Cl- cannot act as nucleophile as lone pair of N atom has taken part in salt formation.
Which of the following is NOT act as nucleophile?
H2 has no lone pair of electrons and therefore does not act as nucleophile.
Which will act as a nucleophile?
In chemistry, a nucleophile is a chemical species that forms bonds with electrophiles by donating an electron pair. All molecules and ions with a free pair of electrons or at least one pi bond can act as nucleophiles. Because nucleophiles donate electrons, they are Lewis bases.
In which of the following pairs both are nucleophile?
For example, ammonia ( ) molecule contains a lone pair of electron. Hence, it acts as a nucleophile. Also, in due to the presence of a negative charge there it is also a nucleophile. Thus, we can conclude that a pair which contains and are both nucleophiles.
Can CH3 act as a nucleophile?
(CH3)3C- will be weak nucleophile because it has e- rich C centre. It will be weak due to the destabilization of 3 methyl groups.