Hydrogen disulfur

Like sulfurous acid , disulfurous acid is unknown either in the free state or in solution. However, as indicated in the preceding section, its salts, are readily obtained from concentrated solutions of hydrogen sulfite 2HS03 S2O52- + H2O. Unlike disulfates... 

Seif-Test D.4B Write the formulas for (a) cesium sulfide tetrahydrate (b) manganese(VII) oxide (c) hydrogen cyanide (a poisonous gas) (d) disulfur dichloride. 

The bromate is a powerful oxidant, and unstable mixtures with sulfur ignite at 73-75°C, and with disulfur dibromide on contact [1]. Hydrogen sulfide ignites on contact with the bromate [2],... 

Interaction with sulfur dichloride, sulfur dibromide or disulfur dibromide is violent, the hydrogen halide being liberated. 

See Disulfur dichloride Mercury oxide Hydrogen peroxide... 

Bis(2-chloroethyl) ether (4) reacts with sulfur tetrafluoride, hydrogen fluoride and ca. 3 % disulfur dichloride (in relation to the ether) to give, depending on the reaction temperature, dichlorotrifluoro ether 5, chlorotetrafluoro ether 6, or pentafluoro ether 2.238... 

The reaction of acetone with sulfur tetrafluoride, hydrogen fluoride and a catalytic amount of disulfur dichloride gives, instead of 2,2-difluoropropane, polyfluorodipropyl sulfides 8, 9, or disulfide 10 in which the number of fluorine atoms depends on the reaction temperature. The same products are obtained when 2,2-difiuoropropane, a product of the replacement of the carbonyl group of acetone by fluorines, is treated with the same reagent (SF4/HF/S2C12).239... 

Similarly, butan-2-one, pentan-3-one, 2,2-difluorobutane and 3,3-difluoropentane can be converted by the sulfur tetrafluoride/hydrogen fluoride/disulfur dichloride system into fluoro sulfides and fluoro disulfides.240... 

Disulfides are also formed in reactions of alkenes or secondary alcohols with the sulfur tetrafluoride/hydrogen fluoride/disulfur dichloride system under mild conditions. At elevated... 

A number of suboxides of sulfur have been reported, but in general their composition has not been clearly established. Polysulfur oxides of formula Ss- 10O2 are formed by reaction of hydrogen sulfide and sulfur dioxide. Also, when sulfur is burned with oxygen in very limited supply disulfur monoxide, S20 is formed. This has the structnie... 

The first reported preparations of sulfur chloride penta-fluoride involved the fluorination of sulfur(II) chloride, the chlorination of disulfur decafluoride, and the electrolysis of sulfur(II) chloride-hydrogen fluoride mixtures. Newer methods utilize the reaction between chlorine monofluoride and sulfur(IV) fluoride or the reaction between chlorine, cesium fluoride, and sulfur(IV) fluoride. The directions described here for the reaction between chlorine monofluoride and sulfur(IV) fluoride are for the preparation of substantial quantities if only a 1- or 2-g. sample is required, the modifications described in the last paragraph of the Procedure section may be employed or a batch pro-... 

This has been called the ionic self-dehydration reaction 29. Only four of the five equilibria, Eqs. (3) to (7) are independent and it has been found convenient to discuss the self-dissociation in terms of Eqs. (3), (5), (6), and (7). Values for the corresponding equilibrium constants are given in Table II. The values at 10° were obtained from a detailed study (4, 0 of the freezing points of solutions of metal hydrogen sulfates, water, and disulfuric acid, each of which represses the selfdissociation equilibria in a different way. Table III gives the concentration of each of the products of the self-dissociation. The total molal concentration of 0.0424 at 10° corresponds to a freezing point of 10.625°... 

Write formulas that correspond to the following names (a) disulfur decafluoride, (b) nitrogen trifluoride, (c) propane, and (d) hydrogen chloride. 

Like sulfurous acid , disulfurous acid is unknown either in the free state or in solution. However, as indicated in the preceding section, its salts, are readily obtained from concentrated solutions of hydrogen sulfite 2HSO3- 8205 - -I- H2O. Unlike disulfates (p. 712), diphosphates (p. 522), etc., disulfites condense by forming an S-S bond. As indicated in Fig. 15.32a this S-S bond is rather long, but the S-0 distances are unexceptional. 

ACETATO MERCURIOSO (Spanish) (21908-53-2) A strong oxidizer. Violent reaction with reducing agents, acetyl nitrate, diboron tetrafluoride, disulfur dichloride, combustible materials, fuels, hydrazine hydrate, hydrogen peroxide, hydrogen trisulfide, hypophospho-rous acid, methanethiol, phospham. sodium-potassium alloy, sulfur, sulfur trioxide. Incompatible with alcohols, alkali metals, ammonium nitrate, diboron tetrafluoride, hydrazinium nitrate, hydrogen sulfide, nitroalkanes, rubidium acetylide, selenium oxychloride. Forms heat-, friction-, or shock-sensitive explosives with anilinium perchlorate, chlorine, phosphorus,. sulfur, magnesium, potassium, sodium-potassium alloy. May increase the explosive or thermal sensitivity of nitromethane, nitroethane, 1-nitropropane and other lower nitroalkanes, silver azide, hydrazinium perchlorate. Slowly decomposes on exposure to air. 

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