i. 2H2 + O2 → 2H2O Combination reaction :: 2HgO → 2Hg + O2 :……….

Question

Taking into consideration the relationship in the first pair, complete the second pair.

i. 2H₂ + O₂ → 2H₂O Combination reaction :: 2HgO → 2Hg + O₂ :……….

ii. NH₃ + HCl → NH₄Cl : Combination reaction :: Fe + CuSO₄ → FeSO₄ + Cu :……..

iii. 2C₂H₅OH + 2Na → 2C₂H₅ONa + H₂ : Oxidation :: CuO + H₂ → Cu + H₂O :……….

iv. CuCl₂ + 2KI → CuI₂ + 2KCl : Double displacement :: Zn + 2HCl → ZnCl₂ + H₂ :……….

v. 

vi. CuI₂ : Brown :: AgCl :……….

Answer 1

i. Decomposition reaction

ii. Displacement reaction

iii. Reduction

iv. Displacement reaction

v. Combination reaction

vi. White.