Question

(a) Give Arrhenius definition of an acid and a base. (b) Choose strong acid and strong base from the following: CH3COOH, NH4OH, KOH, HCl

Answer 1

 (a) According to Arrhenius theory, acids are substances that produce ions when mixed with water. On the other hand, bases are substances that produce ions when mixed with water.

(b) NH4OH is a weak base and HCl is a strong acid.

Answer 2

a) Acids and bases are most important types of chemical compounds in the field of chemistry.

There are many scientific definitions of these two types of chemical compounds.

Among those definitions,the Arrhenius's definition is very popular.

According to the theory of Arrhenius;

Definition of acid and base are;

1)Acid: A chemical compound which releases H+ ions in it's aqueous solution.

2)Base: A chemical compound which releases OH- ions in it's aqueous solution.

b)The strong acid is HCl.

And the strong base is KOH.