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Which of the following is an example of displacement reaction?
  • a)
    4 Na+ O2 → 2 Na2O
  • b)
    2 Cu + O2 → 2 CuO
  • c)
    Mg + 2 HCl → MgCl2 + H2
  • d)
    N2 + 3 H2 → 2 NH3
Correct answer is option 'C'. Can you explain this answer?

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Related Which of the following is an example of displacement reaction?a)4 Na+ O2→ 2 Na2Ob)2 Cu + O2→ 2 CuOc)Mg + 2 HCl → MgCl2+ H2d)N2+ 3 H2→ 2 NH3Correct answer is option 'C'. Can you explain this answer?
A reaction in which More reactive metal displaces less reactive metal is referred as Single Displacement rkns..

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C K Academy
Feb 19, 2022
It is a single replacement reaction. 
Mg + 2HCl → MgCl2  + H2 

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Bhavi Chaudhary
Sep 27, 2018
Related Which of the following is an example of displacement reaction?a)4 Na+ O2→ 2 Na2Ob)2 Cu + O2→ 2 CuOc)Mg + 2 HCl → MgCl2+ H2d)N2+ 3 H2→ 2 NH3Correct answer is option 'C'. Can you explain this answer?
The option is c because Mg has displaces H2 from its compound HCL. so it is a displacement reaction

Advika Agarwal
Sep 27, 2018
Because In option (c) mg displace hydrogen from its salt solution

Yuuvraj Tated
Jun 08, 2022
>Ya it is a displacement reaction Where Mg is more reactive than H so Mg displaces H from HCl
♤We have to just visualise the answer and mark the correct option
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Related Which of the following is an example of displacement reaction?a)4 Na+ O2→ 2 Na2Ob)2 Cu + O2→ 2 CuOc)Mg + 2 HCl → MgCl2+ H2d)N2+ 3 H2→ 2 NH3Correct answer is option 'C'. Can you explain this answer?
C because mg displace H from its compound.

Because .In a reaction when one element is released or displaced by other element such reaction is called displacement reaction.

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A reaction in which More reactive metal displaces less reactive metal is referred as Single Displacement rkns..