Question

Which among the following is (are) double displacement reaction (s)?
(i) `Pb+CuCl_(2)rarrPbCl_(2)+Cu`
(ii) `Na_(2)SO_(4)+BaCl_(2)rarrBaSO_(4)+2NaCl`
(iii) `C+O_(2)rarrCO_(2)`
(iv) `CH_(4)+2O_(2)rarrCO_(2)+2H_(2)O`
A. (i) and (iv)
B. (ii) only
C. (i) and (ii)
D. (iii) and (iv)

Answer 1

Correct Answer - B
Only reaction (ii) is double displacement in nature.