Question

write a balanced chemical equation with state symbols for the
following reactions.
(i)Solutions of barium chloride and sodium sulphate in water react
to give insoluble barium sulphate and the solution of sodium
chloride.
(ii) Sodium hydroxide solution in water) reacts with hydrochloric
acid solution in water) to produce sodium chloride solution and
water.
​

Answer 1

for 1- BaCl2 + Na2SO4

.......>BaSO4 + 2NaCl.

for-2-2/2Na(OH)2+2HCl

.....> 2NaCl + 2H2O

Answer 2

Answer:

A white ppt. ( precipitate ) is formed.

Na₂SO₄ ( aq ) + BaCl₂ ( ag ) ⇒  2 NaCl ( aq ) + BaSO₄ ( ↓ )

Doubled Displacement reaction

The reaction in which there is an exchange of ions between the reactants.