MCQ
Which of the following metal displacement reaction will not take place and why?
  • $\text{Cu}+\text{Mg}^{2+}\xrightarrow{ \ \ \ \ \ }$
  • B
    $\text{Mg}+\text{Cu}^{2+}\xrightarrow{ \ \ \ \ \ }$
  • C
    $\text{Cu}+\text{Ag}^+\xrightarrow{ \ \ \ \ \ }$
  • D
    $\text{Zn}+\text{Cu}^{2+}\xrightarrow{ \ \ \ \ \ }$

Answer

Correct option: A.
$\text{Cu}+\text{Mg}^{2+}\xrightarrow{ \ \ \ \ \ }$
Will not take place because $'\text{Cu}\ '$ is less reactive than $\text{Mg}.$

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