Question

State the type of reaction and balance them:
1. KBr + Cl2 → KCl +Br2
2. FeS+HCl→FeCl2 +H2S
3. Mg(SO3)2  MgO + SO2 + 4. CaO + H2OCa(OH) 2 + ∆ 5. SO2 + O2→ SO3 O2

Answer 1

1. Displacement reaction

   2KBr + Cl2 ----->  2KCl + Br2

2. Displacement reaction

    FeS +2HCl -----> FeCl2 + H2S

3. Decomposition reaction

   

4.  Combination reaction

     CaO + H2O ----> Ca(OH)2