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