acid base reactions

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Term: Acid Base Reactions

Description:

Acid base reactions are chemical reactions that involve the transfer of a proton from an acid to a base. These reactions play a fundamental role in chemistry as they are involved in various scientific and industrial processes. Acid base reactions can result in the formation of new compounds and often produce characteristic properties such as changes in color, taste, and pH.

Senses and Usages:

Sense 1: Fundamental Chemical Reactions

In this sense, acid base reactions refer to the basic chemical reactions between acids and bases. These reactions typically involve the exchange of ions, resulting in the formation of water and a salt. Acid base reactions can be classified as either neutralization reactions or hydrolysis reactions.

Example sentence: The acid base reaction between hydrochloric acid and sodium hydroxide produces common salt (NaCl) and water.

Sense 2: Acidic and Basic Solutions

This sense refers to the characteristics of solutions that are either acidic or basic. Acid base reactions are responsible for determining the pH of a solution. Acids are substances that release hydrogen ions (H+) in water, while bases release hydroxide ions (OH-). Neutral solutions have an equal concentration of H+ and OH- ions.

Example sentence: The pH scale is a measure of acidity or basicity in a substance, with acid base reactions influencing the position on the scale.

Sense 3: Acid Base Titration

In this context, acid base reactions refer to the analytical technique called titration. Titration involves accurately measuring the volume of an acid or base required for complete reaction with a solution of the opposite type. This technique is used to determine the concentration of an unknown acid or base solution.

Example sentence: The acid base reaction in a titration can be visually detected using indicators that change color at a specific pH.