Which of the following pairs will give displacement reactions? (a) NaCl solution and copper metal (b) MgCI2 solution and aluminium metal (c) FeSO4 solution and silver metal (d) AgNO3 solution and copper metal
(a) Cu cannot displace Na → No reaction (b) Al cannot displace Mg → No reaction (c) Ag cannot displace Fe → No reaction (d) Cu can displace Ag → Reaction takes place
