Rubidium hydroxide - wikipedia Rubidium hydroxide Rubidium hydroxide Names IUPAC name Rubidium hydroxide ( + 1 ) Identifiers CAS Number 1310 - 82 - 3 3D model ( JSmol ) Interactive image ChEBI CHEBI : 32108 ChemSpider 56181 ECHA InfoCard 100.013. 806 PubChem CID 62393 RTECS number VL8750000 InChI InChI = 1S / H2O. Rb / h1H2 ; / q ; + 1 / p - 1 Key : CPRMKOQKXYSDML - UHFFFAOYSA - M InChI = 1 / H2O. Rb / h1H2 ; / q ; + 1 / p - 1 Key : CPRMKOQKXYSDML - REWHXWOFAO SMILES ( Rb+ ). ( OH - ) Properties Molar mass 102.475 g / mol Appearance grayish - white solid, hygroscopic Density 1.74 g / mL at 25 ° C Melting point 301 ° C ( 574 ° F ; 574 K ) Boiling point 1,390 ° C ( 2,530 ° F ; 1,660 K ) Solubility in water 100 g / 100 mL ( 15 ° C ) Solubility soluble in ethanol Basicity ( pK ) - 1.4 ( dissociation of OH ) Thermochemistry Std enthalpy of formation ( Δ H ) − 413.8 kJ / mol Hazards Main hazards Corrosive NFPA 704 0 Flash point Non-flammable Related compounds Other cations Lithium hydroxide Sodium hydroxide Potassium hydroxide Caesium hydroxide Related compounds Rubidium oxide ( + 1 ) Except where otherwise noted, data are given for materials in their standard state ( at 25 ° C ( 77 ° F ), 100 kPa ). verify ( what is ? ) Infobox references Rubidium hydroxide ( + 1 ) ( RbOH ) is a strong basic chemical and alkali that is formed by one rubidium ion and one hydroxide ion. Rubidium hydroxide does not appear in nature. However it can be obtained by synthesis from rubidium oxide. In addition, rubidium hydroxide is commercially available in form of an aqueous solution from a few suppliers. Rubidium hydroxide is highly corrosive, therefore suitable protective clothing, gloves and eye - face protection are required when handling this material. Contents 1 Synthesis 2 Uses 3 Hazard prevention 4 See also 5 References Synthesis Rubidium hydroxide can be synthesized from rubidium oxide by dissolving the oxide into water : Rb O ( s ) + H O ( l ) → 2 RbOH ( aq ) Rubidium hydroxide is also commercially available from a certain number of chemical suppliers in form of 50 % or 99 % aqueous solution at multiples of 5 g. Uses Rubidium hydroxide is rarely used in industrial processes because potassium hydroxide and sodium hydroxide can perform nearly all the industrial functions of rubidium hydroxide in a less violent and hence safer way. Rubidium hydroxide is used in scientific research. It is often used sparingly to prevent waste of the expensive element rubidium. For example, it is used to give fireworks a violet color in place of pure rubidium. Despite the fact that rubidium hydroxide is rarely used in normal industrial processes, it is notable that the synthesis of nearly all rubidium compounds involves rubidium hydroxide as an intermediate. Natural rubidium oxide is added to water, and the resulting reaction forms soluble rubidium hydroxide as a product. Hazard prevention Rubidium hydroxide is a corrosive compound that causes immediate burns to the skin on contact. Ultimate care must be carried out when handling this chemical. In the laboratory, protective clothing, gloves, and eye - face protection made from alkali - resistant materials are to be worn to prevent injury caused by accidental leakage of rubidium hydroxide onto human skin. Dilution of this strong alkali must be done by adding the chemical slowly into the beaker of water. In addition, chemical experiments on this compound must be performed with caution to prevent the great amount of heat released in an exothermic reaction from causing the solution to boil - over or damage the vessel. See also Potassium hydroxide Sodium hydroxide Rubidium References Jump up ^ `` Sortierte Liste : pKb - Werte, nach Ordnungszahl sortiert. - Das Periodensystem online '' ( in German ). `` Rubidium compounds : dirubidium oxide ''. WebElements : the periodic table on the web. WebElements. Retrieved 16 November 2011. `` Rubidium hydroxide ''. ChemExper Chemical Directory : catalog of chemicals and suppliers. ChemExper. Retrieved 16 November 2011. Rubidium compounds RbAg I RbBr RbCl RbClO RbF RbH RbHSO RbI RbN RbNO RbOH Rb CO Rb O Rb Te Hydroxides H O He LiOH Be ( OH ) NH H O O Ne NaOH Mg ( OH ) Al ( OH ) Si Cl Ar KOH Ca ( OH ) Sc ( OH ) Ti V Cr ( OH ) Cr ( OH ) Mn ( OH ) Fe ( OH ) Fe ( OH ) Co ( OH ) Ni ( OH ) CuOH Cu ( OH ) Zn ( OH ) Ga ( OH ) Ge ( OH ) As Se Br Kr RbOH Sr ( OH ) Y ( OH ) Zr ( OH ) Nb Mo Tc Ru Rh Pd AgOH Cd ( OH ) In ( OH ) Sn ( OH ) Sn ( OH ) Sb ( OH ) Te Xe CsOH Ba ( OH ) * Hf Ta Re Os Ir Pt Au ( OH ) Hg ( OH ) TlOH Tl ( OH ) Pb ( OH ) Pb ( OH ) Bi ( OH ) Po At Rn Fr Ra * * Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og ↓ * La ( OH ) Ce ( OH ) Pr ( OH ) Nd ( OH ) Pm ( OH ) Sm ( OH ) Eu ( OH ) Gd ( OH ) Tb ( OH ) Dy ( OH ) Ho ( OH ) Er ( OH ) Tm ( OH ) Yb ( OH ) Lu ( OH ) * * Ac Th ( OH ) Pa UO ( OH ) Np Pu Am Cm ( OH ) Bk Cf Es Fm Md No Lr Retrieved from `` https://en.wikipedia.org/w/index.php?title=Rubidium_hydroxide&oldid=842886976 '' Categories : Rubidium compounds Hydroxides Bases ( chemistry ) Hidden categories : CS1 German - language sources ( de ) Articles without KEGG source Articles without UNII source Articles with changed CASNo identifier ECHA InfoCard ID from Wikidata Articles containing unverified chemical infoboxes Chembox articles without image Talk Contents About Wikipedia تۆرکجه Català Čeština Deutsch فارسی 한국어 हिन्दी Italiano Magyar Bahasa Melayu Nederlands 日本 語 Polski Português Română Русский Simple English Српски / srpski Srpskohrvatski / српскохрватски Svenska தமிழ் Українська Tiếng Việt 中文 15 more Edit links This page was last edited on 25 May 2018, at 10 : 34. 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Question: what is the chemical formula for the base rubidium hydroxide
Answer: RbOH