Question

q13. what is displacement reaction? how does the metal reactivity series help to predict the products of reaction? explain with an example

Answer 1

Answer:

The reactivity series is a series of metals, in order of reactivity from highest to lowest. It is used to determine the products of single displacement reactions, whereby metal A will replace another metal B in a solution if A is higher in the series.

Answer 2

Explanation:

The reactivity series is a series of metals, in order of reactivity from highest to lowest. It is used to determine the products of single displacement reactions, whereby metal A will replace another metal B in a solution if A is higher in the series. Activity series of some of the more common metals, listed in descending order of reactivity.

When a metal in elemental form is placed in a solution of another metal salt it may be more energetically feasible for this "elemental metal" to exist as an ion and the "ionic metal" to exist as the element. Therefore the elemental metal will "displace" the ionic metal and the two swap places.

For example, zinc is more active than copper and is able to displace copper ions from solution

Zn(s)+Cu2+(aq)→Zn2+(aq)+Cu(s)

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