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NEET UG 2026 » NEET UG Study Material » Chemistry » Hydrogen Sulfate
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Hydrogen Sulfate

Hydrogen Sulfate is a sulfur oxoanion with the formula HSO-4. The base is formed as a result of the reaction of a sulfuric acid with another base. It is a sulfate that has been conjugated to an acid.

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Hydrogen sulfate, also known as bisulfate, is an anion with the formula H2SO4 that is formed when the chemical radical sulfate reacts with hydrogen sulfide (HSO4). Whenever Hydrogen Sulfate comes into contact with water, it reacts and forms Sulphuric Acid, which has the chemical formula H2SO4. Hydrogen Sulfate is an acidic compound found in nature, and it is used as a weaker alternative to sulfuric acid in some applications. As a result of the reaction between hydrogen sulfate and sodium, the compound Sodium Bisulfate (NaHSO4) is formed, which is a pure substance. The Hydrogen Sulfate formula demonstrates that one atom of hydrogen and one atom of sulfur, as well as four atoms of oxygen, make up one molecule of the compound.

Chemical reaction of hydrogen sulfate:

In the presence of distilled water, hydrogen sulfate is highly reactive and forms ions such as sulfate and hydronium. The chemical equation is as follows:

HSO–4 + H2O – H3O+ + SO2-4

Also reacts with nitrate ions, forming sulphate ions and nitrous acid as a result of the reaction. The chemical equation is as follows:

HSO–4 + NO–2 – SO42- + HNO2

According to the Brnsted-Lowry equation, an acid-base reaction is defined as the transfer of one proton from one ion or from one molecule to another during the formation of an acid. As a result, the water acts as a base because it has been shown to react with HSO-4, which is a more effective proton donor. This occurs as a result of the amphoteric nature of water, which has the ability to act both as a base and as an acid.

Uses of hydrogen sulfate:

In water treatment plants, hydrogen sulphate is used to remove residual chlorine from the water. The use of hydrogen sulphate as an alternative to liquid sulphur dioxide is becoming increasingly popular. The production of nitre cake is carried out using sodium salts of hydrogen sulphate as a starting material. Skin-soothing resins made from hydrogen sulphate are used to treat a variety of skin conditions. An anion is hydrogen sulphate, which is also known as bisulfate in some circles. HSO–4 is the chemical formula for hydrogen sulphate (H2SO4). The chemical radical sulphate reacts with hydrogen sulphate to form hydrogen sulphate (HSO4). When HSO4 and water are combined, Sulfuric Acid is formed as a by-product (H2SO4). As indicated by the Sulfate radial, hydrogen sulphates are generally acidic in their natural environment. In fact, they are used as a less potent alternative to sulfuric acid in some applications. The reaction of hydrogen sulphate with sodium results in the formation of Sodium Bisulfate (NaHSO4), which is a pure substance. It forms a tetrahedral arrangement with the Sulfur atom at the centre and four Oxygen atoms on either side of the centre, as shown below. When combined with Methane, it forms a structure similar to that of Methane.

Physical properties of Hydrogen sulfate:

Chemical formula of hydrogen sulfate

HSO–4

Molar mass

97.064g/mol

Melting point

59oC

Color

White

pH

1

Density

1826.7 kg/m3

Rective with

Water, nitric acid, ethanol, acetone

Conclusion:

Hydrogen Sulfate is a sulphur oxoanion with the formula HSO-4. The base is formed as a result of the reaction of a sulfuric acid with another base.Hydrogen sulphate, also known as bisulfate, is an anion with the formula HSO4 that is formed when the chemical radical sulphate reacts with hydrogen sulphide (HSO4).

The Hydrogen Sulfate formula demonstrates that one atom of hydrogen and one atom of sulphur, as well as four atoms of oxygen, make up one molecule of the compound.

In water treatment plants, hydrogen sulphate is used to remove residual chlorine from the water. The use of hydrogen sulphate as an alternative to liquid sulphur dioxide is becoming increasingly popular. 

As indicated by the Sulfate radial, hydrogen sulphates are generally acidic in their natural environment. In fact, they are used as a less potent alternative to sulfuric acid in some applications.

 
faq

Frequently asked questions

Get answers to the most common queries related to the NEET UG Examination Preparation.

What exactly is sulphate?

Ans: Sulfate, with its chemical formula SO4...Read full

Is hydrogen sulphate a strong or a weak acid, depending on how it is prepared?

Ans: The hydrogen sulphate ion, also known as the bisulfate ion, is an acid that can be produced by the body. It can...Read full

What is the charge that each hydrogen sulphate molecule carries with it?

Ans: In hydrogen sulphate molecules, the magnitude of the net charge held by the molecules is -1. When this compound...Read full

write one use of hydrogen sulfate?

Ans: In water treatment plants, hydrogen sulphate is used to remove residual chlorine from the water.

What is the difference between Strong and Weak Acid?

Ans: One can actually tell whether a compound is a strong acid or a weak acid based on the pH level of the compound....Read full

Ans: Sulfate, with its chemical formula SO42-, is actually a sulphur oxoanion, as opposed to the more commonly used term “sulphate.” It is possible to obtain the sulphate radical by deprotonation of both the OH groups in sulfuric acid and the OH group in sulfuric acid.

 

Ans: The hydrogen sulphate ion, also known as the bisulfate ion, is an acid that can be produced by the body. It can be classified as a weak acid because of its low acidity. This is due in part to the electronegative oxygen in it isolating electron density away from the oxygen-bonded hydrogen atom, which is one of the reasons for its acidity. 

Ans: In hydrogen sulphate molecules, the magnitude of the net charge held by the molecules is -1. When this compound gains a proton, it transforms into sulphuric acid, which has the chemical formula H2SO4. 

 

Ans: In water treatment plants, hydrogen sulphate is used to remove residual chlorine from the water.

Ans: One can actually tell whether a compound is a strong acid or a weak acid based on the pH level of the compound. The pH level decreases as the acidic nature of the solution increases on a scale from 0 to 14. In fact, the pH of some strong acids, such as HCL, can fall below zero in some cases. In water, strong acids are completely dissociated, resulting in a neutral solution. Weak acids, on the other hand, only partially dissociate when exposed to water.

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