NCERT Question 6 (b) - Chapter 1 Class 10 - Chemical Reactions and Equations

Last updated at April 16, 2024 by

Balance the following chemical equations.

(b) NaOH + H 2 SO 4 → Na 2 SO 4 + H 2 O

 

Answer

 

  • NaOH + H 2 SO 4 → Na 2 SO 4 + H 2 O

 

Name of the element

No. of atoms in reactants

No. of atoms in products

Sodium

1

2

Oxygen

5

5

Hydrogen

3

2

Sulphur

1

1

 

To balance Sodium,

Multiply NaOH by 2

2 NaOH + H 2 SO 4 → Na 2 SO 4 + H 2 O

 

Name of the element

No. of atoms in reactants

No. of atoms in products

Sodium

2

2

Oxygen

6

5

Hydrogen

4

2

Sulphur

1

1

 

To balance Hydrogen,

Multiply H 2 O by 2

2 NaOH + H 2 SO 4 → Na 2 SO 4 + 2 H 2 O

 

Name of the element

No. of atoms in reactants

No. of atoms in products

Sodium

2

2

Oxygen

6

6

Hydrogen

4

4

Sulphur

1

1

 

Now, all the elements are balanced and the balanced equation is

2 NaOH + H 2 SO 4 → Na 2 SO 4 + 2 H 2 O

 

2 NaOH + H 2 SO 4 → Na 2 SO 4 + 2 H 2 O

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