Question

Which of the following reactions will be considered as a double displacement reaction?

• A. Zn + FeCl3 → ZnCl2 + Fe
• B. H2CO3→ CO2 + H2O
• C. HCl+KOH → KCl + H2O
• D. MgO + H2O → Mg(OH)2

Answer 1

Answer:

C. HCl+KOH → KCl + H2O

• The double displacement reaction is HCl+KOH → KCl + H2O