question_answer

    (a) Give Arrhenius definition of an acid and a base. (b) Choose strong acid and strong base from the following

Answer:

                  (a) According to the Arrhenius concept, an acid is a substance which can furnish hydrogen ions in its aqueous solution.      (1/2) A base is a substance which can furnish hydroxyl ions in its aqueous solution.        (1/2)   (b) Strong acid = HCl                                      (1/2) Strong base = KOH                                        (1/2)