Question

Which among the following is /are double displacement reaction(s)?

(i) Pb + CuCl2 → PbCl2 + Cu

(ii) Na2SO4 + BaCl2  BaSO4 + 2 NaCl

(iii) C + O2  CO2 Which among the following is /are double displacement reaction(s)?

(i) Pb + CuCl2 → PbCl2 + Cu

(ii) Na2SO4 + BaCl2  BaSO4 + 2 NaCl

(iii) C + O2  CO2

(iv) CH4 + 2O2  CO2 + 2 H2O


(a) (i) and (iv)
(b) Only (ii)
(c) (i) and (ii)
(d) (iii) and (iv)

​

Answer 1

Answer:

a) (i) and (iv) this answer is right answer for me.