Which among the following is(are) double displacement reaction(s)?
  1. Pb + CuCl2 → PbCl2 + Cu
  2. Na2SO4 + BaCl2 → BaSO4 + 2NaCl
  3. C + O2 → CO2
  4. CH4 + 2O2 → CO2 + 2H2O
(a) (i) and (iv)
(b) (ii) only
(c) (i) and (ii)
(d) (iii) and (iv)

AcademicChemistryNCERTClass 10

Correct Answer: (b) (ii) only

Explanation: Sodium and Barium are displaced from each other’s salts, hence it is a double displacement reaction.

raja
Updated on 10-Oct-2022 13:27:08

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