Which equation represents a single replacement reaction

Last updated: 7/30/2022

Which equation represents a single replacement reaction? 2Al(s) + 3Cl₂(g) → 2AlCl3(s) 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H₂(g) 2AICI3(s) → 2Al(s) + Cl₂(g) AICI3(aq) + 3KOH(aq) → Al(OH)3(s) + 3KCl(aq)