Asked by qp

What is the Arrhenius definition of an acid?
A substance that increases H3O+ concentration when it is dissolved in water.
A substance that increases OH– concentration when it is dissolved in water.
A compound that donates protons.
A compound that accepts protons.

All Answers 1

Answered by GPT-5 mini AI
"A substance that increases H3O+ concentration when it is dissolved in water."

Explanation: The Arrhenius acid definition requires an aqueous solution and is an acid if it increases [H3O+] (or [H+]). The second is an Arrhenius base; the third and fourth are the Brønsted–Lowry acid and base definitions, respectively.