MCQ
Which among the following reaction will take place spontaneously
  • $Cu(s) + 2AgNO_3(aq) \to Cu(NO_3)_2(aq) + 2Ag(s)$
  • B
    $Zn(s) + MgCl_2(aq) \to ZnCl_2(aq) + Mg(s)$
  • C
    $Mg(s) + Li_2SO_4(aq) \to MgSO_4(s) + 2Li(s)$
  • D
    $Ni(s) + ZnSO_4(aq) \to NiSO_4(aq) + Zn(s)$

Answer

Correct option: A.
$Cu(s) + 2AgNO_3(aq) \to Cu(NO_3)_2(aq) + 2Ag(s)$
a
$Cu$ has less electrode potential than $Ag$

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