Question

why does benzene sulphonic acid act as bronsted acid​

Answer 1

Benzenesulfonic acid (conjugate base benzenesulfonate) is an organosulfur compound with the formula C6H5SO3H. 

It is the simplest aromatic sulfonic acid.  Its aqueous solution is strongly acidic

Answer 2

Benzene sulphonic acid is also called bronsted acid because it possesses proton donation capability.

Bronsted acid

• Benzenesulfonic corrosive (form base benzenesulfonate) is an organosulfur compound with the recipe C6H6O3S. It is the least difficult fragrant sulfonic corrosive. It structures a white deliquescent sheet of precious stones or a white waxy strong that is dissolvable in water and solvents like diethyl ether. It is much of the time put away as soluble base metal salts. Its fluid arrangement is emphatically acidic.

The principal protonation:

$H_{2}SO_{4} +H_{2}O$→$HSO^{4-} +H_{3}O ^{+}$

This response goes to the end in water.

Be that as it may, the form base of sulfuric corrosive, bisulfate anion, is itself a sensibly solid Bronsted corrosive:

$HSO^{4-} +H_{2}O$→$SO^{4-}+H_{3}O^+$

As in any substance response, both MASS and CHARGE are moderated.

Uses of bronsted acid:

• Salts of Benzenesulfonic corrosive, for example, Sodium benzenesulfonate (Ludigol) and Monoethanolamine benzenesulfonate are utilized as surfactants in clothing detergent.[6]
• Various drug drugs are ready as benzenesulfonate salts and are known as besylate (INN) or besylates (USAN).
• In a weakened structure, it is likewise utilized as a polymer remover stripping specialist.

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