Na₂SO₄ + BaCl₂ → BaSO₄ + 2NaCl is organic reaction type which corresponds to a displacement reaction.
The reaction in which atoms or set of atoms is displaced by another atoms in a molecule.
For example: When iron is added to copper sulphate solution, it displaces copper metal.
Equation:
Fe + CuSO₄ → Cu + FeSO₄
There are two types of Displacement reaction:
1) Single Displacement Reaction
2) Double Displacement Reaction
1) Single Displacement Reaction: The reaction in which one element is replaced by other in a compond.
For example: When Chlorine added to Sodium Bromide , It displaces bromine.
Equation:
Cl₂(aq) + 2NaBr(aq) → 2NaCl(aq)+Br₂(aq)
2) Double Displacement Reaction: The reaction takes place when two ionic compound is exchanged and make two new component is called Double Displacement Reaction.
For example : When sodium chloride reacts with calcium sulphate then the product formed is sodium sulphate and calcium chloride.
Equation:
2NaCl + CaSO₄→ Na₂SO₄ + CaCl₂
Some organic reaction type corresponds to Displacement Reactions are:
2. Na₂SO₄ + BaCl₂ → BaSO₄ + 2NaCl
Thus from the conclusion we can say that, numbers of reactant and product substances, which organic reaction type corresponds to a displacement reaction is Na₂SO₄ + BaCl₂ → BaSO₄ + 2NaCl
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