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Term: Acid hydrogen

Description:

Acid hydrogen refers to the hydrogen atom in an acid which is capable of being replaced by a metal or an electropositive element. It is directly involved in the process of acid-base reactions.

Senses:

Sense 1:

Noun - Chemistry

Acid hydrogen is the hydrogen atom in an acid that exhibits acidic properties and can be ionized or replaced by a metal or electropositive element.

For example: In hydrochloric acid (HCl), the hydrogen atom is the acid hydrogen.

Sense 2:

Noun - Biochemistry

Acid hydrogen is a hydrogen atom connected to a negatively charged group in a molecule, such as a carboxyl group, contributing to the acidity of the compound.

For example: The acid hydrogen in acetic acid (CH3COOH) is the one attached to the carboxyl group.

Usages:

Usage 1:

In acidic solutions, acid hydrogen ions (H+) are released into the solution, resulting in lower pH values.

Sample sentence: The acid hydrogen in sulfuric acid reacts with water molecules, releasing H+ ions into the solution.

Usage 2:

Acid hydrogen can be replaced by a metal atom or electropositive element, resulting in the formation of a salt.

Sample sentence: When magnesium reacts with hydrochloric acid, it replaces the acid hydrogen, forming magnesium chloride and releasing hydrogen gas.

Usage 3:

The acid hydrogen of organic acids can participate in various biochemical reactions.

Sample sentence: The acid hydrogen in citric acid is involved in the Krebs cycle, a key metabolic pathway in cells.

Related Products:

Hydrochloric acid products on Amazon

Acetic acid products on Amazon