(a) What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride?(b) Write the balanced chemical equation for the reaction which takes place.(c) State the physics conditions of reactants in which the reaction will not take place.(d) Name the type of chemical reaction which occurs.(e) Give one example of another reaction which is of the same type as the above reaction.


(a) When the barium chloride solution is added to sodium sulphate solution, a white precipitate of barium sulphate is formed along with sodium chloride solution.

(b) The balanced chemical equation for the reaction is given below:
$BaCl_{2}( aq) \ +\ Na_{2} SO_{4}( aq) \ \rightarrow BaSO_{4}( s) \ +\ 2NaCl( aq)$

(c) The reaction will not take place if the reactants are in solid-phase i.e.Solid sodium sulphate and Solid barium chloride

(d) It is a Double displacement reaction as the ions are exchanged in the products.

(e) The reaction between silver nitrate solution and sodium chloride solution forms a white precipitate of silver chloride and sodium nitrate solution.
$AgNO_{3} \ ( aq) \ +\ NaCl\ ( aq) \ \rightarrow \ AgCl\ ( s) +\ NaNO_{3} \ ( aq)$

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Updated on: 10-Oct-2022

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