(ii) For obtaining metals that are in the middle of reactivity series, oxides of such metals can be reduced with coke (carbon) which acts as a reducing agent. This is known as displacement reaction. Reactivity of Non- Metals. In the reactivity series, copper, gold, and silver are at the bottom and hence are least reactive. I. The halogens are a typical example of a non-metal reactivity series. FREE Revision guides, questions banks and resources. These metals are known as noble metals. As example: zinc (Zn) replaces copper from copper sulphate solution. In the same way that metals can be ordered in terms of reducing strength, the non-metals can be ordered in terms of their oxidising strength. II. The elements which belong to Group VA, VIA, and VIIA are non- metals. Lithium Li Displaces H2 gas from water, steam and acids and forms hydroxides. A metal reacts with another metals and displaces them from their solution. Reactivity series is a list of metals arranged in the order of their decreasing reactivities (activities). They are 28 in number. Electrolysis Potassium K Strontium Sr Calcium Ca Sodium Na Magnesium Mg Displaces H2 gas from steam and acids and forms hydroxides. Since metals replace other metals, while nonmetals replace other nonmetals, they each have a separate activity series. Register Free. III. A series of metals are arranged on the basis of reactivity and is said to be reactivity series . Before discussing the reactivity order of metals, it is important to discuss about the differences between metals and non-metals. A metal with higher reactivity displaces a metal of lower reactivity. Reaction will not take place as Fe is below Zn in the activity series and cannot displace Zn from its solution. The activity series is a list of elements in decreasing order of their reactivity. Add your answer and earn points. The order of intensity of reactivity is known as reactivity series. Place in order of reactivity: potassium, sodium, calcium, magnesium, zinc, iron, hydrogen and copper, by reference to the reactions, if any, of the elements with: water or steam; dilute hydrochloric acid (except for alkali metals) For example, iron (III) oxide can be reduced to iron, as follows : (iii) For obtaining metals that are high up in the reactivity series, their oxides are reduced to metals by electrolysis. Non-metals react by gaining electrons - they are oxidising agents. Reactivity of element decreases on moving from top to bottom in the given reactivity series. Class 10 Chemistry Metals and Non Metals: Reactivity series: Reactions of metal with other metals: Reactivity series. ... All the elements belonging to lanthanide and actinide series are f- block elements which are also known as inner- transition elements as it is a transit to move from the transition elements of Group IIIB to Group IVB. 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