Which statement is true about HCl? (5 points)

a
It is a salt because it increases the concentration of metallic ions.

b
It is a salt because it is formed by the reaction of an acid and a base.

c
It is an acid because it increases the concentration of hydroxide ions.

d
It is an acid because it increases the concentration of hydrogen ions.

1 answer

The correct statement about HCl is:

d: It is an acid because it increases the concentration of hydrogen ions.

HCl (hydrochloric acid) ionizes in water to produce hydrogen ions (H⁺), which is characteristic of acids according to the Arrhenius definition.