Extracting Metals Low in the Activity Series Metals low in the activity series are very unreactive. The oxides of these metals can be reduced to metals by heating alone. For example, cinnabar (HgS) is an ore of mercury. When it is heated in air, it is first converted into mercuric oxide (HgO). Mercuric oxide is …
Difference between Metals and Non – metals Physical properties Chemical properties
The reactivity series of metals. The metals at the bottom of the activity series are the least reactive. They are often found in a free state. For example, gold, silver, platinum and copper are found in the free state. Copper and silver are also found in the combined state as their sulphide or oxide ores. …
Properties of Ionic Compounds You may have observed the following general properties for ionic compounds— (i) Physical nature: Ionic compounds are solids and are somewhat hard because of the strong force of attraction between the positive and negative ions. These compounds are generally brittle and break into pieces when pressure is applied. (ii) Melting and …
HOW DO METALS AND NON-METALS REACT ? The reactions of metals with a number of reagents. The electronic configuration of elements the noble gases, which have a completely filled valence shell, show little chemical activity. We, therefore, explain the reactivity of elements as a tendency to attain a completely filled valence shell.The electronic configuration of …
The Reactivity Series The reactivity series is a list of metals arranged in the order of their decreasing activities. After performing displacement experiments, the following series, known as the reactivity or activity series has been developed. Important Details Given their ease of oxidation, the metals at the top of the reactivity series are effective reducing …
Electronic configurations of some elements
How do Metals react with Solutions of other Metal Salts ? Reactive metals can displace less reactive metals from their compounds in solution or molten form.All metals are not equally reactive. We checked the reactivity of various metals with oxygen, water and acids. But all metals do not react with these reagents.So we were not …
How do Metals react with Solutions of other Metal Salts? Read More »
Aqua regia, (Latin for ‘royal water’) is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid in the ratio of 3:1. It can dissolve gold, even though neither of these acids can do so alone. Aqua regia is a highly corrosive, fuming liquid. It is one of the few reagents that is …
\ Metals react with acids to give a salt and hydrogen gas. Metal + Dilute acid → Salt + Hydrogen Write equations for the reactions of magnesium, aluminium, zinc and iron with dilute hydrochloric acid.Hydrogen gas is not evolved when a metal reacts with nitric acid. It is because HNO3 is a strong oxidising agent. …
