Question

Define :(a) Arrhenius Acid (b) Arrhenius Base

Answer 1

ARHENIOUS ACID
substances which dissociate in water and form H+ ion is called arhenius acid
ARHENIOUS BASE
while substances which give OH ion in water is Called arhenius base.

Answer 2

$<h3> Arrhenius Acid : </h3>$ An acid is a substance which dissociates in aqueous solution to give hydrogen ions, H+.

$<h3>Arrhenius Base : </h3>$ A base is a substance which dissociates in aqueous solution to give hydroxyl ions, OH-.