Question

IU
→ BaSO4 + 2Naa
3. Which among the following is (are) double displacement reaction and why?
(i) Pb + CuCl2-→ PbCl2 + Cu (ii) Na2SO4 + BaCl2-
(iii) C + O2 CO2
(iv) CH4 + 202 —— CO2 + 2H20
(a) (i) and (iv) (b) (ii) only (c) (i) and (ii)
(d) (iii) and (iv)​

Answer 1

Answer:

None of these

Explanation:

Double displacement reactions are reversible reactions

None of the options are reversible reactions. So, None of these