Question

Give an arrehenious definition of an acid and a base.

Answer 1

Answer:

Such substances that donate their hydrogen ion (H+) (proton donor) and accepts the electron to another is called an acid. They have pH less than 7.0. But such substances that accept the proton and donate electron is called as the base. They have pH more than 7.0. Acids are sour, while bases are bitter.

Acids and Bases are one of the most important parts of chemistry, but also play their significant role in another field of science. There are many definitions which differentiate the substances as acid and base, but the most accepted are the Arrhenius theory, Bronsted-Lowry theory and the Lewis theory of acid/base. Together acids and bases react to form salts.

Acids and Bases are everywhere, right from the soaps used during the shower to the citric acid or vinegar present in the kitchen. Though it is sometimes difficult to distinguish between them and so to check them, certain theories were provided which are discussed below along with brief description