Question

Q.Write the easiest example of double displacement reaction and precipitation reaction?

Answer 1

NA2S + 2HCL GIVES 2NACL + H2S DOUBLE DISPLACEMENT

AGNO3 + NACL GIVES AGCL + NANO3

Answer 2

Double displacement reaction also well known as precipitation reaction.
It is reaction in which exchange of ions take place between reactants
Easiest Example--------> Na2SO4+BaCl2--->BaSO4+2NaCl.

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