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Which property of a metal is needed for a displacement reaction?

Answer and explanation

Correct answer: Higher reactivity

In a metal displacement reaction, a free metal replaces another metal from its compound only if the free metal is more reactive. For example, zinc displaces copper from copper sulphate because zinc is higher in the reactivity series. Lustre, colour, and mass do not determine whether displacement can occur. The essential property is comparative chemical reactivity, so option A is correct.

Related tags

Displacement ReactionReactivity SeriesMetalsChemical ReactionsClass 10Chemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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