8.5: Double Replacement Reactions

Multiple Choice

Which of these is a balanced double replacement reaction?

• Al₂O_{3 (s)} + 3 CO_{2 (g)} --> Al₂(CO₃)₃

• Ba(OH)_{2 (s)} → BaO _(s) + H₂O _(aq)

• 2 KF_(aq) + Ca(NO₃)_{2 (aq)} → CaF_{2 (s)} + 2 KNO_{3 (aq)}

• 2 AgClO_{3 (aq)} + Cu _(s) --> Cu(ClO₃)_{2 (aq)} + 2 Ag _(s)

Multiple Choice

Which of the following represents the correct products for the reaction below:

H₃PO₄(aq) + KOH(aq) →

• K₃PO₄(aq) + H₂O(l)

• K₃PO₄(s) + H₂O(l)

• KPO₄(aqs) + H₃NO₃(aq)

• no reaction