Report a problem. Ca + Cl 2 → CaCl 2. Differentiated resources. (a) One of the alkali metals reacts with oxygen to form a solid white substance. That is why sodium etc are kept in oil, to prevent contact with air. Reaction with oxygen. These metal oxides dissolve in water produces alkali. The Reactivity Series. Metal hydrides (H-) are given as products. The reaction of alkali metals with oxygen produce ____. When this substance is dissolved in water, the solution gives a positive test for hydrogen peroxide, H 2 O 2.When the solution is tested in a burner flame, a lilac-purple flame is produced. The product formed in each reaction is a metal oxide. Gold has very low reactivity and therefore can be found in its metallic state in nature. The metallic oxide dissolves in water to form an alkali. Alkali metals react violently with water, halogens, and acids. The chemical reactivity of metals varies widely. However, the first three are more common. Alkali metals react quickly with oxygen and are stored under oil to prevent oxygen from reaching the surface of the bare metal. Group I consist of alkali metals and these are very reactive. With chlorine you’d probably just get LiCl, NaCl etc. They rapidly react with oxygen so they should be stored out of contact with oxygen to prevent the oxidation process. The alkaline earth metals react with oxygen in the air to give the corresponding oxide: Reaction with nitrogen? Group 1: The Alkali Metals. Ask your question. 2Na + H 2 = 2NaH. Reaction with oxygen. 2Na + 2HCl = 2NaCl + H 2. ... Alkali earth metals react with oxygen to form basic oxides. Representative reactions of alkaline earth metals. 2K + H 2 SO 4 = K 2 SO 4 + H 2. Reaction of alkali metal with oxygen - 20084202 1. Upon reacting with oxygen, alkali metals form oxides, peroxides, superoxides and suboxides. a. removes, positive b. adds, positive This page looks at the reactions of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium - with air or oxygen. A simple worksheet where students read about reactions of alkali metals with oxygen and answer simple questions. The white powder is the oxide of lithium, sodium and potassium. Created: Oct 14, 2013. docx, 131 KB. Teaching how metals react with oxygen. Group 1 metals are referred to as the Alkali Metals and Group 2 metals are referred to as the Alkaline Earth Metals. Sodium, an alkali metal one of the highly reactive metal in the periodic table shows lot of reactions with other elements and compounds such as oxygen, water and more and reacts in a rapid rate when compare with other metals. Group 1 metals react with oxygen gas produces metal oxides. Non-metals react with oxygen to form non-metal oxides.Non-metal oxides are acidic in nature.They turn blue litmus to red. Thus, the reactivity of metals increases down Group 1. When this substance is dissolved in water, the solution gives a positive test for hydrogen peroxide, $\mathrm{H}_{2} \mathrm{O}_{2}.$ When the solution is tested in a burner flame, a lilac-purple flame is produced. 4Li + O 2 → 2Li 2 O Some characteristic chemical properties of alkali metals are described blow. The rate of reaction with oxygen, or with air, depends upon whether the metals are in the solid or liquid state , as well as upon the degree of mixing of the metals with the oxygen or air. Rust is an example of the reaction of oxygen with iron. On the whole, the metals burn in oxygen to form a simple metal oxide. After they have seen each experiment, you could pause the video to give them a chance to record their observations. See the alkali metals and alkaline earth metals.. 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