What is electrophile in sulphonation?

The electrophile is sulphur trioxide

sulphur trioxide

Sulfur trioxide (alternative spelling sulphur trioxide, also known as nisso sulfan) is the chemical compound with the formula SO₃. It has been described as "unquestionably the most important economically" sulfur oxide. It is prepared on an industrial scale as a precursor to sulfuric acid.

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Sulfur trioxide - Wikipedia

, and this arises in one of two ways depending on which sort of acid you are using. Concentrated sulphuric acid contains traces of SO₃ due to slight dissociation of the acid.

What is electrophile in sulphonation Class 11?

Nitration and sulfonation of benzene are two examples of electrophilic aromatic substitution. The nitronium ion (NO2+) and sulfur trioxide (SO3) are the electrophiles and individually react with benzene to give nitrobenzene and benzenesulfonic acid respectively.

What is the electrophile in sulfonation?

Sulfur trioxide is an electrophile because it is a highly polar molecule with a fair amount of positive charge on the sulfur atom. It is this which is attracted to the ring electrons.

What is electrophile in sulphonation of benzene?

So, the active electrophile in sulphonation of benzene is sulphur trioxide.

Is h2so4 SO3 an electrophile?

Fuming sulfuric acid, also refered to as oleum, is a concentrated solution of dissolved sulfur trioxide in sulfuric acid. The sulfur in sulfur trioxide is electrophilic because the oxygens pull electrons away from it because oxygen is very electronegative.

what is electrophilic in sulphonation of benzene

Which is the electrophile in sulphonation reaction How is it generated?

Sulphonation of benzene is a reversible reaction. -The mixture of sulphur trioxide and sulphuric acid is known as fuming sulphuric acid. We know that oxygen has high electronegativity. Thus, oxygen in sulphuric acid pulls an electron toward itself and generates an electrophile ${\text{S}}{{\text{O}}_{\text{3}}}$.

What is the nucleophile in the sulfonation reaction?

The p electrons of the aromatic C=C act as a nucleophile, attacking the electrophilic S, pushing charge out onto an electronegative O atom.

Why is SO3 an electrophile?

Is so3 an electrophile in nature? The answer is “Yes”. Reason: SO₃ is a highly polar molecule with positive charge on the sulphur atom. It attracts to the ring electrons.

Is the sulphonation of benzene is electrophilic substitution?

The sulfonation of benzene with SO₃ is a trimolecular electrophilic substitution. In sulfonic acid or oleum, the trimolecular system is C₆H₆ + SO₃ + H₂SO₄. H₂SO₄ is a catalyst.

Which species represents the electrophile in aromatic sulphonation?

The Nitronium Ion (NO₂+) Is The Key Electrophile In Aromatic Nitration.

What is the electrophile in aromatic sulfonation chegg?

Overview of Aromatic Sulfonation

When an aromatic compound is heated with the sulfuric acid, there will be the formation of an aryl sulfonic acid. It is an electrophilic aromatic substitution reaction in which sulfur trioxide, or the protonated derivative of sulfur trioxide can act as an electrophile.

Why SO3 is used in sulphonation reaction?

Conventionally sulfonation is done by sulphuric acid or oleum. But with SO3 sulfonation process has the following advantages. It is more direct and considerably faster than the present process. It requires fewer man hours and, therefore, is more economical.

What is sulphonation in benzene?

Sulfonation of benzene is a process of heating benzene with fuming sulphuric acid (H2SO4 +SO3) to produce benzenesulfonic acid. The reaction is reversible in nature.

What is sulphonation reaction?

Sulphonation Reaction

The replacement of the hydrogen atom of an organic compound with sulfonic acid (-SO3H) functional group, often by the reaction with sulfuric acid at higher temperatures, is called Sulphonation. “The introduction of a sulfonic acid group into an aromatic compound is referred to as sulphonation.”

Which of the following is not an electrophile?

Hence, ammonia is not an electrophile.

Why is NO2+ described as an electrophile?

In NO2+, the nitrogen atom is bonded to one oxygen by the double bond while to the other oxygen atom by the coordinate covalent bond. Therefore, there is an unpaid electron on the nitrogen atom which gets ionised by the positive charge. The nitrogen in NO2+ does not have an octet around it, hence it is an electrophile.

What reagent is sulphonation?

Answer: fuming sulphuric acid is used as a reagent in sulphonation reaction. Explanation: Sulphonation:- Basically Sulfonation is a reaction of benzene with fuming sulphuric acid , in this process benzene is heated with fuming sulphuric acid that gives benzenesulfonic acid and the nature of this reaction is reversible.

What is the electrophile in the electrophilic substitution reaction of benzene using conc H2SO4 *?

Answer: What is the electrophile in the electrophilic substitution reaction of benzene using oleum and conc. H2SO4? Explanation: This reaction is sulphonation of benzene ring in which SO3 is the real attacking electrophile and oleum will increase the concentration of SO3.

What is electrophilic substitution reaction of benzene?

What is Electrophilic Substitution of Benzene? Electrophilic substitution of benzene is the one where an electrophile substitutes the hydrogen atom of benzene. As the aromaticity of benzene is not disturbed in the reaction, these reactions are highly spontaneous in nature.

Is SO3 a nucleophile?

SO3 is a nucleophile.

Which of the following is an electrophile?

The species which are electron deficient and accept a pair of electrons are called electrophile. Hence, SO3 is a electrophile as it contains an electron deficient center.

What is the electrophile in nitration of benzene?

The electrophile is the "nitronium ion" or the "nitryl cation", NO+2. This is formed by reaction between the nitric acid and the sulphuric acid.

What are electrophilic aromatic substitution reactions?

Electrophilic aromatic substitution is an organic reaction in which an atom that is attached to an aromatic system (usually hydrogen) is replaced by an electrophile.

What is sulfonation in organic chemistry?

Sulfonation: A chemical reaction which introduces the sulfonic acid functional group (-SO₃H) into a molecule. Sulfonation with sulfur trioxide and sulfuric acid converts benzene into benzene sulfonic acid.