Question

what is the difference between displacement and double displacement reaction write equation for these reaction​

Answer 1

Answer:

In a displacement reaction, a more reactive element replaces a less reactive element from a compound. In a double displacement reaction, two atoms or a group of atoms switch places to form new compounds.

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Answer 2

Answer:

DISPLACEMENT REACTION-

when a highly reactive element displace a less reactive element from it's own compound then it is called DISPLACEMENT reaction

like -: fe (s) + cuso4 (aq) ----- feso4 (s) + cu(aq)

here iron is more reactive than copper so iron displaces from it's own compound

more examples:-

zn(s) + cuso4(aq) ---- znso4 (aq) + cu(s)

for this you have to learn the Reactivity series

pottasium

sodium

calcium

magnesium

aluminum

zinc

iron lead

copper

mercury

silver

gold

Double DISPLACEMENT

when there is 2 compounds and they exchange their ions then it is double DISPLACEMENT

eg:- Na2So4 (aq) + Bacl2(aq) --- BaSo4(aq) + 2Nacl(aq)

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