Question

Which of the following pairs will give displacement reactions?
(a) NaCl solution and copper metal
(b) MgCl₂ solution and aluminium metal
(c) FeSO₄ solution and silver metal
(d) AgNO₃ solution and copper metal.

Answer 1

Answer: (d) Since copper is more reactive than silver so it will displace silver from silver nitrate.

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Answer 2

Dear Solution,

◆ Answer -

(d) AgNO₃ solution and copper metal

● Explaination -

• As copper metal is more reactive than silver, it will replace silver from silver nitrate and form copper nitrate.

2AgNO3 + Cu --> Cu(NO3)2 + 2Ag

◆ Displacement reaction -

• Reaction in which one element displaces another element from its compound is called displacement reaction.
• Usually a highly reactive element displaces a less reactive element in the reaction.

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