Question

When dilute sulphuric acid is added to barium chloride solution then what happens in a balanced equation?

Answer 1

When barium chloride reacts withsulphuric acid, an insoluble white precipitate of barium sulphate is formed. ... Barium chloride (BaCl2) willnot react with HCl since both have the same anion Cl- hence no reaction. However in case of H2SO4, a white ppt of BaSO4 may be seen.

Answer 2

When dilute sulphuric acid is added to barium chloride solution, barium sulphate is formed as a precipitate and hydrogen chloride is formed in aqueous solution.

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

The balanced reaction will be:

$H_2SO_4(aq)+BaCl_2(aq)\rightarrow BaSO_4(s)+2HCl(aq)$

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