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

Academic Chemistry NCERT Class 10

Correct Answer: (b) (ii) only

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

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Updated on: 10-Oct-2022

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