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NCERT Q7
Write the balanced chemical equations for the following reactions.
(d) Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride
Answer
(d) BaCl 2 + K 2 SO 4 → BaSO 4 + KCl
|
Name of the element |
No. of atoms in reactants |
No. of atoms in products |
|
Barium |
1 |
1 |
|
Chlorine |
2 |
1 |
|
Potassium |
2 |
1 |
|
Sulphur |
1 |
1 |
|
Oxygen |
4 |
4 |
To balance Chlorine and Potassium,
Multiply KCl by 2
BaCl 2 + K 2 SO 4 → BaSO 4 + 2 KCl
|
Name of the element |
No. of atoms in reactants |
No. of atoms in products |
|
Barium |
1 |
1 |
|
Chlorine |
2 |
2 |
|
Potassium |
2 |
2 |
|
Sulphur |
1 |
1 |
|
Oxygen |
4 |
4 |
Now, all the elements are balanced and the balanced equation is
BaCl 2 + K 2 SO 4 → BaSO 4 + 2 KCl
