Question

what is a acidic Radical

Answer 1

It is the ion which is formed by the removal of Hydrogen atoms or an electron from an acid, is termed as acidic radical. For example, $SO_{4}$ is the acidic radical in $Na_{2}SO_{4}$

Answer 2

The ion formed after removal of Hydrogen ion (H+ ion) from an acid is called acid radical. Ex- when HCl loses H+ ion it forms cl- which is an acid radical.