Question

What happens when aqueous solution of sodium sulphate and barium chloride are mixed? Give a balanced equation for the reaction with state symbols. Name and definenthe type of chemical reaction involved in the above change

Answer 1

this is double displacement reaction.

the balanced equation is

BaCl2 + Na2SO4 = BaSO4 + 2NaCl

bacl2=barrium chloride.
na2so4 =sodium sulphate

Answer 2

Precipitation of $BaSO_4$ takes place.

$Na_2SO_4(aq)+BaCl_2(aq)\rightarrow 2NaCl(aq)+BaSO_4(s)$

Explanation:

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.

A double displacement reaction in which one of the products is formed as a precipitate is called as precipitation reaction.

The balanced chemical reaction between aqueous solution of sodium sulphate and barium chloride:

$Na_2SO_4(aq)+BaCl_2(aq)\rightarrow 2NaCl(aq)+BaSO_4(s)$

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