11- Write a balanced equation for the following reaction and identify the type of reaction in each case-i- Potassium bromide - barium iodide rarr- potassium iodide - barium bromide-ii- Zinc - Silver nitrate rarr- Zinc nitrate - silver-iii- Manganese dioxide - Aluminium rarr- Aluminium oxide - Manganese nbsp-12- What would you observe when zinc is added to a solution of iron sulphate- Name the type of reaction- Write the related equation- nbsp-

Dear student , 11. 2KBr + BaI2 #8594;2KI + BaBr2 Zn + AgNO3 #8594;ZnNO3 + Ag 3MnO2 + 4Al #8594;2Al2O3 + 3Mn 12. When zinc is added to iron sulphate s ...

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Standard IX

Chemistry

Preparation of Hydrogen from Steam

11. Write a b...

Question

11. Write a balanced equation for the following reaction and identify the type of reaction in each case.
(i) Potassium bromide + barium iodide → potassium iodide + barium bromide.
(ii) Zinc + Silver nitrate → Zinc nitrate + silver
(iii) Manganese dioxide + Aluminium → Aluminium oxide + Manganese

12. What would you observe when zinc is added to a solution of iron sulphate? Name the type of reaction. Write the related equation.

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Solution

Dear student ,

11. 2KBr + BaI₂ $\to$ 2KI + BaBr₂
Zn + AgNO₃ $\to$ ZnNO₃ + Ag
3MnO₂ + 4Al $\to$ 2Al₂O₃ + 3Mn

12. When zinc is added to iron sulphate solution , it will displace iron from its salt solution as zinc is more reactive than iron. It is displacement reaction.

Zn + FeSO₄ $\to$ ZnSO₄ + Fe

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Q. Write a balanced chemical equation with the help of chemical symbols and formulas for the following reactions:

(i) Zinc + Silver nitrate

⟶

Zinc nitrate + Silver

(ii) Copper oxide + Hydrogen

⟶

Copper + Water

(iii) Barium chloride + Aluminium sulphate

⟶

Barium sulphate + Aluminium chloride

Write the balanced chemical equation for the following and identify the type of reaction in each case –
$(A) P o t a s s i u m b r o m i d e (a q) + B a r i u m i o d i d e (a q) \to P o t a s s i u m i o d i d e (a q) + B a r i u m b r o m i d e (s)$

$(B) Z i n c c a r b o n a t e (s) \to Z i n c o x i d e (s) + C a r b o n d i o x i d e (g)$

1) zinc carbonate= zinc oxide+ carbon dioxide

2) potassium bromide+ barium iodide = potassium iodide + barium bromide

Balance the equations

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Dear student , 11. 2KBr + BaI2 →2KI + BaBr2 Zn + AgNO3 →ZnNO3 + Ag 3MnO2 + 4Al →2Al2O3 + 3Mn 12. When zinc is added to iron sulphate solution , it will displace iron from its salt solution as zinc is more reactive than iron. It is displacement reaction. Zn + FeSO4 →ZnSO4 + Fe Regards