Question

Which of the following is a double
displacement reaction.
a) Pb + CuCl, → PbCl2 + Cu
b) Na SO4 + BaCl, → BaSO, + 2NaCl
c) C + O2 + CO2
d) CH, + 20, → CO2 + 2H2O​

Answer 1

Answer:

(b)

${na}^{2} {so}^{4} + baci > baso + 2naci$