Chemical Reaction of Group II Elements with Water . Group 2 hydroxides dissolve in water to form alkaline solutions. Reaction with Water. All the metals react with dilute hydrochloric acid to give bubbles of hydrogen and a colourless solution of the metal chloride. Group 2 elements are called alkaline metals because they form alkaline solutions, hydroxides, when reacting with water and their oxides are found in the earth’s crust. The Facts Beryllium Beryllium has no reaction with water or steam even at red heat. M(s) + H 2 O(l) --> M(OH) 2 (aq) + H 2 (g) This is another example of a redox reaction. Just like the alkali metals the alkaline earth metals also react with the water and produce the hydroxides. At high temperatures, beryllium reacts with the stream and produces hydrogen and white beryllium oxide. Group 2 - Alkaline Earth Metals. It explains why it is difficult to observe many tidy patterns. On the whole, the metals burn in oxygen to form a simple metal oxide. Reaction of group 2 oxides with water. It uses these reactions to explore the trend in reactivity in Group 2. Magnesium Magnesium burns in steam to … REACTIONS OF THE GROUP 2 ELEMENTS WITH WATER This page looks at the reactions of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium - with water (or steam). The Facts. This page looks at the reactions of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium - with water (or steam). Group 2 oxides react with water to form a solution of metal hydroxides. The Group 2 elements react with water to form hydroxides with the general formula M(OH) 2 and hydrogen gas. The further you move down the group the more vigorous the reaction with water. Magnesium has a very slight reaction with cold water. They are beryllium, magnesium, calcium, strontium, barium and radium. Reactions of the Group 2 elements with water. Such reaction is: $$MgO_{(s)} + H_{2}O_{(l)} \rightarrow Mg(OH)_{2(aq)}$$ Group 2 hydroxides. The group 2 metal is oxidised from an oxidation state of zero to an oxidation state of +2. ALKALINE METALS They have low electron affinity. Formation of simple oxides. Illustrating the increase of reactivity with cold water going down Group 2 It uses these reactions to explore the trend in reactivity in Group 2. The alkaline earth metals found in group 2 of the periodic table. The reactions with oxygen. These hydroxides have a typical pH of 10-12. The Hydrogen is +1 in the OH-ion and HCl, and +1 in water. The majority of alkaline earth metals on reaction with water produces the hydroxides. This page looks at the reactions of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium - with air or oxygen. This page looks at the reactions of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium - with common acids. 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