Reactivity series is the series of metals based on their reactivity from highest to lowest. Answer: Na Produced by the electrolysis of molten NaCl. asked Oct 10, 2019 in Chemistry by Deepak01 ( … It is also known as activity series. Find out how metals like Na, Ca and Mg are extracted. CBSE Class 10 Science Important Questions Chapter 3 Metals and Non-Metals ... placed below hydrogen in the series, if will not evolve hydrogen 8. Define activity series of metals. Mg(s) + Zn 2+ → → Zn(s) + Mg 2+ The interval between metals in the reactivity series of metals represents the reactivity of those metals towards each other. Cinnabar (HgS) is the ore of mercury. A more reactive metal will displace a less reactive metal from a compound. A reactivity series is typically a vertically presented model with the most-reactive element placed at the top of the series and … Question 77. So, reactivity series of metals can be defined as a series of metals, in order of reactivity from highest to lowest. The way, metals like sodium, magnesium and iron react with air and water is an indication of their relative positions in the ‘reactivity series’. (i) Extraction of Metals of Least Reactivity: Mercury and copper, which belong to the least reactivity series, are often found in the form of their sulphide ores. are moderately reactive. Arrange the metals gold, copper, iron and magnesium in order of their increase in reactivity. The reactivity series is a series of metal elements, and sometimes carbon and hydrogen, that is arranged according to their reactivity. For example, magnesium metal can displace zinc ions in a solution. The reactivity series allows us to predict how metals will react. Learn the reactivity series of metal through this simple yet effective mnemonic. Extraction of Metals Class 10 Question 1. Extracting Metals in the Middle of the Activity Series. 3. Reduction: Heating of oxides of metals to turn them into metal is known as Reduction. The arrangement of metals in the order of decreasing reactivities is called the reactivity series of metals. ... Reactivity Series of Metals and Non-metals. These elements are located in the upper right and lower left corners of the periodic table and in certain element groups. Reactivity Trend in the Periodic Table . A list of metals arranged in the order of their decreasing reactivity (activity) is called reactivity series. They are found in the earth’s crust mainly as oxides, sulphides or carbonates. It is easy to extract metal from their oxide, as compared to their sulphides and carbonates. The organization of elements on the periodic table allows for predictions concerning reactivity. The metals in the middle of the activity series (Zn, Fe, Pb, etc.) Both highly electropositive and highly electronegative elements have a strong tendency to react. Each element in the reactivity series can be replaced from a compound by any of the elements above it. 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