Which of the following is the Arrhenius Theory of acids and bases? O An acid dissociates in water to form Hydrogen ions (H^+) and a base dissociates in water to produce Hydroxide ions (OH^-). O An acid is a proton donor and a base is a proton acceptor. O Acids are substances with a very high pH (greater than 10) and bases are substances with a very low pH (less than 3). O None of the above.