Which compound is an Arrhenius base? (1 point)

Question

Responses

HNO3
cap h cap n cap o sub 3

H3PO4
cap h sub 3 cap p cap o sub 4

HClO
cap h cap c l cap o

Ca(OH)2

Answer 1

The compound that is an Arrhenius base is Ca(OH)2.

An Arrhenius base is defined as a substance that increases the concentration of hydroxide ions (OH⁻) in aqueous solution. Calcium hydroxide (Ca(OH)2) dissociates in water to produce hydroxide ions, making it an Arrhenius base.