Question

i. Distinguish between displacement reaction and double displacement reaction.
ii. Identify the displacement and double displacement reaction from the following reactions.

a. HCl_(aq) + NaOH(aq) → NaCl_(aq) + H₂O(l)
b. Fe_(s) + CuSO_4(aq) → FeSO_4(aq) + Cu(s)

Answer 1

In displacement reaction, more reactive element displaces less reactive element from its compound and in double

displacement reaction, two different compounds exchange their ions and form two new compounds.
ii. a. Double displacement reaction.
     b. Displacement reaction.