The Group 1 metals become more reactive towards water as you go down the Group. Caesium hydroxide and hydrogen are formed. Also, the hydrated radius of lithium is the greatest out of all alkali metals. Caesium. Rubidium hydroxide (RbOH) solution and hydrogen gas are formed as results. Reactions of alkali metals with water All the alkali metals react vigorously with cold water. 2Cs + 2H 2 O → 2CsOH + H 2 [ Check the balance ] Cesium react with water to produce cesium hydroxide and hydrogen. Find another reaction. In each reaction, hydrogen gas is given off and the metal hydroxide is produced. Edited for clarity in what I meant: Perhaps the amount of cesium used in the gif is much smaller than that seen in the video, assuming similar volumes of water are used. The molten metal spreads over the water and exposes a larger surface to water. The reaction is so fast that if the reaction is carried out in a glass vessel, the glass container will shatter. Caesium: Cs - metal. Balance it: 2Cs + 2 H2O --> 2CsOH + H2. Looking at the enthalpy changes for the reactions Cesium react with water. Summary of the trend in reactivity. Hope this helps! Picture of reaction: The most reactive metal, cesium, reacts with water to produce an explosive gas and a base. This reduces the ionic mobility which in turn reduces the speed of the molten metal. The reaction is very exothermic. Actually, they faked the reaction of rubidium and caesium with water since they thought they were not spectacular enough for TV. Or perhaps the metal in the gif isn't pure cesium (but then other metals similar to cesium would still provide violent results). The answer to “Elemental cesium reacts more violently with water than does elemental sodium. "Water pills" can also decrease potassium in the body. the formula for water is simply H2O (two hydrogens, one oxygen). Our channel. Caesium (cesium in USA) metal reacts rapidly with water to form a colourless solution of caesium hydroxide (CsOH) and hydrogen gas (H2). Caesium explodes on contact with water, quite possibly shattering the container. At least that's what they said. The heat of reaction is sufficient to melt it. The formula for cesium is Cs, it is a simple element. Some water-reactive substances are also pyrophoric, like organometallics and sulfuric acid, and should be kept away from moisture. Water pills (Diuretic drugs) interacts with CESIUM Large amounts of cesium can decrease potassium levels in the body. Rule: metal + water --> alkaline solution + H2: Cs + H2O --> CsOH + H2. 1,422 points • 278 comments - Cesium reacts with water - IWSMT has amazing images, videos and anectodes to waste your time on A base is a metallic hydroxide. Thermodynamic properties of substances The solubility of the substances Periodic table of elements. Explaining the trend in reactivity. 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