Question

what are pros and cons about double replacement reactions

Answer 1

Answer:

It is double displacement not replacement

Answer 2

double displacement reactions are those reactions in which mutual exchange of ions takes place.

for example: sodium sulphate reacts with barium chloride forms sodium chloride and barium sulphate.

Na2SO4 (aq) + BaCl2 (aq) = BaSO4 (s) + 2NaCl (aq)