Question

Write the balanced chemical equations of the following word equations: -
a) Sodium chloride + Manganese dioxide + Sulphuric acid Sodium hydrogen sulphate +

Manganese sulphate + Water + Chlorine​

Answer 1

Answer:

NaCl + MnO₂ + H₂SO₄ → NaHSO₄ + MnSO₄ + H₂O + Cl₂

This reaction is not balanced. The reactants and products are given, thus to balance the reaction,

i) 2 Cl atoms at right side while 1 in left side.

Put a 2 before NaCl making the number of Cl atoms balanced.

ii) Now there are 2 Na atoms at left while 1 at right.

To balance it put 2 before NaHSO₄.

iii) Consider (SO₄) -- 3 units in right hand side, 1 in left hand side.

Put a 3 before H₂SO₄ in left hand side, thus number of (SO₄) units get balanced.

iv) Balance the excess H atoms at left side,

by putting a 2 before H₂O.

And thus the reaction as a whole gets balanced.

2NaCl + MnO₂ + 3H₂SO₄ = 2NaHSO₄ + MnSO₄ + 2H₂O + Cl₂

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Answer 2

Answer:

NaCl+MgCl2+MnO2+H2SO4=>NaHSO4+MnSO4+H2O+Cl2