Which compound is an Arrhenius base? (1 point)

Question

Responses

HClO
cap h cap c l cap o

H3PO4
cap h sub 3 cap p cap o sub 4

Ca(OH)2
cap c A cap o cap h sub 2

HNO3

Answer 1

An Arrhenius base is a substance that increases the concentration of hydroxide ions (OH⁻) in aqueous solution. Among the compounds listed, the one that qualifies as an Arrhenius base is:

Ca(OH)₂ (calcium hydroxide)

This compound dissociates in water to produce Ca²⁺ and OH⁻ ions.