Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Dinitrogen

Dinitrogen oxide, nitrous oxide, N2O. Colourless gas, m.p. —9T C, b.p. —88-5°C (heat on NH4NO3). Decomposes to N2 and O2 above SOO C can be detonated. Linear molecule NNO. Used as a mild anaesthetic. [Pg.278]

Dinitrogen trioxide, N2O3. Only stable in solid state (m.p. — 102 C). Pale blue solid giving deep blue liquid the gas contains some ONNO2 molecules. Prepared from NO and O2 or NO and N2O4 with freezing decomposes to NO and NO,. [Pg.278]

Other liquid inorganic compounds show the auto-dissociation characteristic of water and liquid ammonia for example, dinitrogen tetroxide (p. 231), as well as undergoing the more familiar homolytic dissociation... [Pg.90]

Note that dinitrogen oxide is the other product. In alkaline solution, however, hydroxylamine oxidises iron(II) hydroxide to iron(III) hydroxide and is itself reduced to ammonia. This is an example of the effect of pH change on oxidation-reduction behaviour (p. 101). ... [Pg.223]

The azides are salts which resemble the chlorides in solubility behaviour, for example silver azide, AgNj, is insoluble and sodium azide, NaN3, soluble in water. Sodium azide is prepared by passing dinitrogen oxide over molten sodamide ... [Pg.225]

This can be prepared by the controlled reduction of a nitrite (nitrate(lll)) or nitrate. Cautious heating of ammonium nitrate gives dinitrogen oxide by an internal oxidation-reduction process ... [Pg.228]

Too rapid heating produces explosive decomposition. The reaction between hydroxyammonium chloride, NHjOH. Cl , and sodium nitrite gives pure dinitrogen oxide ... [Pg.228]

Dinitrogen oxide is a colourless gas the molecule has the geometric structure N—N—O, and is a resonance hybrid of the two forms... [Pg.228]

Reduction products vary depending on the reducing agent, for example dinitrogen oxide is obtained with sulphurous acid, nitrogen is obtained when the gas is passed over heated metals (e.g. copper and iron) and ammonia is produced when the gas reacts with aqueous chromiumfll) salts. [Pg.231]

Unlike nitrogen monoxide, nitrogen dioxide has properties more typical of an odd electron molecule. It is a coloured (brown), reactive gas which dimerises to the diamagnetic colourless gas dinitrogen tetroxide, N2O4. in which the odd electron is paired. The structure of dinitrogen tetroxide can be represented as a resonance hybrid of ... [Pg.231]

Dinitrogen tetroxide, N2O4, as a liquid, has some power as a solvent, and appears to dissociate slightly to give nitrosyl nitrate, thus ... [Pg.233]

Hence dinitrogen tetroxide (sometimes mixed with an organic solvent) can be used to prepare anhydrous metal nitrates (many heavy metal nitrates are hydrated when prepared in aqueous solution, and they cannot be dehydrated without decomposition). [Pg.233]

Dinitrogen trioxide, the anhydride of nitrous acid, is very unstable. At low temperature it dissociates thus ... [Pg.234]

Phosphorus(V) oxide will remove water from acids to give the acid anhydride. For example, if nitric acid is distilled with it. dinitrogen pentoxide is formed ... [Pg.235]

The second equilibrium is the more important, giving rise to the nitronium ion, NOj, already mentioned as a product of the dis sociation of dinitrogen tetroxide. Several nitronium salts have been identified, for example nitronium chlorate(VII), (N02) (C104) . If pure nitric acid is dissolved in concentrated sulphuric acid, the freezing point of the latter is depressed to an extent suggesting the formation of four ions, thus ... [Pg.240]

Metals which do liberate hydrogen from dilute acids, for example zinc, magnesium, can react with nitric acid to give dinitrogen oxide, for example ... [Pg.241]

Ammonium nitrate gives dinitrogen oxide and steam ... [Pg.242]

Outline the laboratory preparation of a sample of dinitrogen tetroxide. Describe and explain what happens when it is heated from 290 K to 900 K. Suggest electronic structures for dinitrogen tetroxide and the other nitrogen-containing molecules formed from it on heating to 900 K. Point out any unusual structural features. [Pg.255]

The other more electronegative elements are non-metals and form oxides which are entirely covalent and usually acidic. For example, sulphur yields the oxides SO2 and SO3, dissolving in bases to form the ions SO3 and SO4" respectively. A few non-metallic oxides are often described as neutral (for example carbon monoxide and dinitrogen oxide) because no directly related acid anion is known to exist. [Pg.286]

Reduction of dinitrogen oxide to ammonia (which gives the ammonium ion with the acid) ... [Pg.334]

Cobaltilll) nitrate Co(N03)3 has been prepared by the reaction of dinitrogen pentoxide with cobalt(III) fluoride. [Pg.402]

If copper is treated with a solution of dinitrogen tetroxide in ethyl ethanoate (acetate), a blue solution is obtained, which on evapora-... [Pg.412]

The Raman spectrum of nitric acid shows two weak bands at 1050 and 1400 cm. By comparison with the spectra of isolated nitronium salts ( 2.3.1), these bonds were attributed to the nitrate and nitronium ion respectively. Solutions of dinitrogen pentoxide in nitric acid show these bands , but not those characteristic of the covalent anhydride , indicating that the self-dehydration of nitric acid does not lead to molecular dinitrogen pentoxide. Later work on the Raman spectrum indicates that at —15 °C the concentrations of nitrate and nitronium ion are 0-37 mol 1 and 0 34 mol 1 , respectively. The infra-red spectrum of nitric acid shows absorption bands characteristic of the nitronium ion. The equivalence of the concentrations of nitronium and nitrate ions argues against the importance of the following equilibrium ... [Pg.7]

The two absorption bands, at 1050 and 1400 cm , which appear in the Raman spectra of solutions of nitric acid in concentrated sulphuric acid are not attributable to either of the acid molecules. In oleum the lower band appears at 1075-1095 cm. That these bands seemed to correspond to those in the spectra of anhydrous nitric acid and solid dinitrogen pentoxide caused some confusion in the assignment of the spectrum. The situation was resolved by examining the Raman spectra of solutions of nitric acid in perchloric or selenic acids , in which the strong absorption at 1400 cm is not accompanied by absorption at about 1050 cm . Thus, the band at 1400 cm arises from the nitronium ion, and the band at about 1050 cm can be attributed in the cases of nitric acid and solid dinitrogen pentoxide to the nitrate ion formed according to the following schemes ... [Pg.13]

Solutions of dinitrogen tetroxide (the mixed anhydride of nitric and nitrous acids) in sulphuric acid are nitrating agents ( 4.3.2), and there is no doubt that the effective reagent is the nitronium ion. Its formation has been demonstrated by Raman spectroscopy and by cryoscopy ... [Pg.50]

Nitration has also been effected with the complexes from dinitrogen tetroxide and Lewis acidsin the case of boron trifluoride the complex appears to be a mixture of nitronium and nitrosonium tetrafluoroborates. ... [Pg.50]

Dinitrogen pentoxide being the anhydride of nitric acid, is more fully treated below, as are some other systems with which mechanistic studies have been made. [Pg.50]

NITRATION WITH DINITROGEN PENTOXIDE 4.3.1 The State of dinitrogen pentoxide in various solvents... [Pg.51]

Solid covalent dinitrogen pentoxide can be prepared by freezing the vapour with liquid helium. Normally, solid dinitrogen pentoxide exists as (NO2+) (NOj ), showing absorption bands in its Raman spectrum only at 1050 and 1400 cm the structure of this form has been determined by X-ray crystallography. ... [Pg.51]

Solutions of dinitrogen pentoxide in nitric acid or sulphuric acid exhibit absorptions in the Raman spectrum at 1050 and 1400 cm with intensities proportional to the stoichiometric concentration of dinitrogen pentoxide, showing that in these media the ionization of dinitrogen pentoxide is complete. Concentrated solutions in water (mole fraction of NgOg > 0-5) show some ionization to nitrate and nitronium ion. Dinitrogen pentoxide is not ionized in solutions in carbon tetrachloride, chloroform or nitromethane. ... [Pg.51]

Nitration in the presence of strong acids or Lewis acids Solutions of dinitrogen pentoxide in sulphuric acid nitrate 1,3-dimethyl-benzene-4,6-disulphonic acid twice as fast as a solution of the same molar concentration of nitric acid. This is consistent with Raman spectroscopic and cryoscopic data, which establish the following ionisation ... [Pg.51]


See other pages where Dinitrogen is mentioned: [Pg.142]    [Pg.199]    [Pg.278]    [Pg.348]    [Pg.90]    [Pg.90]    [Pg.228]    [Pg.229]    [Pg.229]    [Pg.230]    [Pg.231]    [Pg.234]    [Pg.238]    [Pg.239]    [Pg.240]    [Pg.6]    [Pg.50]    [Pg.50]    [Pg.51]   
See also in sourсe #XX -- [ Pg.19 ]

See also in sourсe #XX -- [ Pg.2 , Pg.141 ]

See also in sourсe #XX -- [ Pg.792 ]

See also in sourсe #XX -- [ Pg.288 ]

See also in sourсe #XX -- [ Pg.554 ]

See also in sourсe #XX -- [ Pg.314 , Pg.340 , Pg.341 ]

See also in sourсe #XX -- [ Pg.2 , Pg.9 , Pg.52 , Pg.898 ]

See also in sourсe #XX -- [ Pg.879 ]

See also in sourсe #XX -- [ Pg.190 , Pg.394 , Pg.402 , Pg.428 ]

See also in sourсe #XX -- [ Pg.2 , Pg.55 , Pg.250 , Pg.251 ]

See also in sourсe #XX -- [ Pg.202 ]

See also in sourсe #XX -- [ Pg.83 , Pg.84 ]

See also in sourсe #XX -- [ Pg.67 , Pg.171 ]

See also in sourсe #XX -- [ Pg.83 , Pg.293 , Pg.294 , Pg.295 , Pg.296 , Pg.297 , Pg.298 , Pg.299 , Pg.300 , Pg.301 , Pg.302 ]

See also in sourсe #XX -- [ Pg.392 ]

See also in sourсe #XX -- [ Pg.3 , Pg.153 ]

See also in sourсe #XX -- [ Pg.117 , Pg.123 , Pg.125 , Pg.130 , Pg.136 , Pg.175 , Pg.323 ]

See also in sourсe #XX -- [ Pg.2 , Pg.541 ]

See also in sourсe #XX -- [ Pg.4 , Pg.6 , Pg.554 , Pg.718 ]

See also in sourсe #XX -- [ Pg.3 , Pg.153 ]

See also in sourсe #XX -- [ Pg.231 ]

See also in sourсe #XX -- [ Pg.96 ]

See also in sourсe #XX -- [ Pg.2 ]

See also in sourсe #XX -- [ Pg.173 , Pg.271 ]

See also in sourсe #XX -- [ Pg.141 ]

See also in sourсe #XX -- [ Pg.53 ]

See also in sourсe #XX -- [ Pg.2 ]

See also in sourсe #XX -- [ Pg.2 , Pg.426 ]

See also in sourсe #XX -- [ Pg.929 ]

See also in sourсe #XX -- [ Pg.2 ]




SEARCH



2,2 -bipyridyl dinitrogen

Acids dinitrogen pentoxide hydrolysis

Actinide dinitrogen

Actinide dinitrogen complexes

Activation of dinitrogen

Addition Products of Dinitrogen to Nonmetallic Inorganic Species

Addition Products of Dinitrogen to Transition Metal Complexes

Alkenes dinitrogen pentoxide

Alkenes dinitrogen trioxide

Amines from dinitrogen complexes

Ammonia formation from dinitrogen complexes

Ammonia from dinitrogen

Ammonia, coordinated dinitrogen

Ammonia, coordinated dinitrogen reduction

Ammonia, dinitrogen conversion

ArN2NeO Argon-dinitrogen monoxide-neon

Aziridines reactions with dinitrogen pentoxide

Beattie, I. R., Dinitrogen Trioxide

Binuclear dinitrogen-bridged

Bond lengths dinitrogen complexes

C2H2N2O Ethyne - dinitrogen monoxide

C2N2O5 Carbon dioxide - dinitrogen monoxide

C3H4N2 1-Propyne - dinitrogen

CN2O Carbon monoxide-dinitrogen

Carbonyl dinitrogen complex

Carbonyls dinitrogen derivatives

Catalytic Reduction of Dinitrogen

Catalytic Reduction of Dinitrogen to Ammonia by Molybdenum

Cellulose oxidation with dinitrogen tetraoxide

Cellulose with dinitrogen tetraoxide

Chromium dinitrogen complexes

Chromium dinitrogen compounds

Cobalt dinitrogen complexes

Complexes of Dinitrogen, Dioxygen, and Dihydrogen

Conversion of Dinitrogen to Ammonia

Coordinated dinitrogen

Decomposition of dinitrogen pentoxide

DiNitrogen tetroxide trioxide

Diffusion Dinitrogen

Dihydrogen with dinitrogen

Dimethyl sulfide Dinitrogen

Dinitrogen , excited states

Dinitrogen Chatt cycle

Dinitrogen Chemistry after Chatt

Dinitrogen Henry coefficient

Dinitrogen Lewis structure

Dinitrogen Monofluoride

Dinitrogen Pentoxide - An Eco-Friendly Nitrating Agent

Dinitrogen Pentoxide, N2Os

Dinitrogen Tellurium Compounds

Dinitrogen activation

Dinitrogen activation catalytic

Dinitrogen activation reactivity

Dinitrogen amines

Dinitrogen ammines

Dinitrogen aqueous chemistry

Dinitrogen as a ligand

Dinitrogen as ligand

Dinitrogen atmospheric concentration

Dinitrogen bond cleavage reaction

Dinitrogen bond formation

Dinitrogen bond length

Dinitrogen bonding

Dinitrogen bound, reactivity

Dinitrogen bridged complexes

Dinitrogen bridged complexes aryls

Dinitrogen bridged model systems

Dinitrogen catalytic reduction

Dinitrogen chemical studies

Dinitrogen chemisorption

Dinitrogen complex formation

Dinitrogen complexes

Dinitrogen complexes 17-electron intermediates

Dinitrogen complexes Subject

Dinitrogen complexes alkylation

Dinitrogen complexes electron transfer

Dinitrogen complexes electroreduction

Dinitrogen complexes electrosynthesis

Dinitrogen complexes of molybdenum and tungsten

Dinitrogen complexes protonation

Dinitrogen complexes with transition metals

Dinitrogen complexes, cores

Dinitrogen complexes, of molybdenum and

Dinitrogen complexes, osmium

Dinitrogen complexes, reviews

Dinitrogen complexes, synthesis

Dinitrogen compounds

Dinitrogen concentration increase

Dinitrogen coordination

Dinitrogen coordination modes

Dinitrogen cycle

Dinitrogen difluoride

Dinitrogen difluoride reactions

Dinitrogen difluoride structure

Dinitrogen dioxide

Dinitrogen dioxide tetroxide

Dinitrogen dissociation energy

Dinitrogen dissociative adsorption

Dinitrogen electronic configuration

Dinitrogen electrophilic attack

Dinitrogen elimination

Dinitrogen fixation

Dinitrogen formation

Dinitrogen from [ReCl

Dinitrogen from nitrification

Dinitrogen from soil

Dinitrogen hydrazido complexes

Dinitrogen hydrazine

Dinitrogen iron complexes

Dinitrogen isoelectronic with

Dinitrogen ligand

Dinitrogen ligand coordination

Dinitrogen ligands, chiral

Dinitrogen liquid

Dinitrogen measurement

Dinitrogen mechanism

Dinitrogen metal complexes

Dinitrogen methylation

Dinitrogen molecular orbitals

Dinitrogen molecules

Dinitrogen mononuclear complexes

Dinitrogen monoxide

Dinitrogen monoxide (N2O)

Dinitrogen monoxide formation

Dinitrogen monoxide oxide

Dinitrogen monoxide reductase

Dinitrogen monoxide. See

Dinitrogen nitrating agent

Dinitrogen nitrogen fixation

Dinitrogen nucleophilic attack

Dinitrogen oxidation

Dinitrogen oxide

Dinitrogen oxide decomposition

Dinitrogen oxide, propellant

Dinitrogen oxide-acetylene flame

Dinitrogen pentaoxide

Dinitrogen pentaoxide, nitration

Dinitrogen pentoxid

Dinitrogen pentoxide

Dinitrogen pentoxide , nitration

Dinitrogen pentoxide absorption spectra

Dinitrogen pentoxide alcohols

Dinitrogen pentoxide alkenes, reactions with

Dinitrogen pentoxide amines

Dinitrogen pentoxide aromatic compounds

Dinitrogen pentoxide boron fluoride

Dinitrogen pentoxide chemistry

Dinitrogen pentoxide decomposition

Dinitrogen pentoxide decomposition rate

Dinitrogen pentoxide dioxide

Dinitrogen pentoxide measurement

Dinitrogen pentoxide naming

Dinitrogen pentoxide nitration with

Dinitrogen pentoxide properties

Dinitrogen pentoxide reaction with water

Dinitrogen pentoxide structure

Dinitrogen pentoxide thermal decomposition

Dinitrogen pentoxide vapor

Dinitrogen pentoxide, nitrating agent

Dinitrogen pentoxide, nitration with sulphuric acid

Dinitrogen peroxide, reaction rate

Dinitrogen photolysis

Dinitrogen protonation

Dinitrogen protonation chemistry

Dinitrogen reaction with carbenes

Dinitrogen reactions

Dinitrogen reactivity

Dinitrogen redox potentials

Dinitrogen reduction

Dinitrogen reduction catalytic systems

Dinitrogen reduction four-electron mechanism

Dinitrogen splitting

Dinitrogen sulfide

Dinitrogen surfaces

Dinitrogen synthesis

Dinitrogen tantalum complexes

Dinitrogen tetrafluoride

Dinitrogen tetraoxide

Dinitrogen tetraoxide liquid

Dinitrogen tetraoxide physical properties

Dinitrogen tetraoxide reactions

Dinitrogen tetraoxide structure

Dinitrogen tetroxide

Dinitrogen tetroxide alkenes

Dinitrogen tetroxide characterization

Dinitrogen tetroxide chemical reactions

Dinitrogen tetroxide epoxides

Dinitrogen tetroxide equilibrium pressure

Dinitrogen tetroxide equilibrium with

Dinitrogen tetroxide formation

Dinitrogen tetroxide hydrazines

Dinitrogen tetroxide in nitrosation

Dinitrogen tetroxide liquid

Dinitrogen tetroxide nitration

Dinitrogen tetroxide nitration with

Dinitrogen tetroxide oxidation

Dinitrogen tetroxide oximes

Dinitrogen tetroxide ozone

Dinitrogen tetroxide preparation

Dinitrogen tetroxide reaction with cumulenes

Dinitrogen tetroxide reaction with hydrazine

Dinitrogen tetroxide reactions with

Dinitrogen tetroxide structure

Dinitrogen tetroxide thiols

Dinitrogen tetroxide vapor

Dinitrogen tetroxide, decomposition

Dinitrogen tetroxide, dissociation

Dinitrogen tetroxide-nitrogen dioxide equilibrium

Dinitrogen tetroxide—Iodine

Dinitrogen thermal formation

Dinitrogen to ammonia

Dinitrogen trioxide

Dinitrogen trioxide reactions

Dinitrogen trioxide reactions with alkenes

Dinitrogen trioxide structure

Dinitrogen trioxide, decomposition

Dinitrogen tungsten complexes

Dinitrogen with various metals

Dinitrogen, complexes with

Dinitrogen, coordination chemistry

Dinitrogen, dioxygen, and

Dinitrogen, extrusion

Dinitrogen-derived ligands

Dissociated dinitrogen

Divalent dinitrogen activation

Electron Transfer in Catalytic Dinitrogen Reduction

Energetic Materials Synthesized Using Dinitrogen Pentoxide

Energetic dinitrogen pentoxide

Enzyme chemistry dinitrogen complexes

Extrusion of dinitrogen

F Dimethyl sulfoxide Dinitrogen tetraoxide

Hafnium dinitrogen complexes

Halides dinitrogen pentoxide

Halides dinitrogen trioxide

Hexamine with dinitrogen pentoxide

Inorganic Diazo Compounds and Metal Complexes with Dinitrogen as Ligand

Iridium dinitrogen complexes

Ligand structures dinitrogen complexes

Liquid dinitrogen tetraoxide reactions

Magnesium dinitrogen complexes

Manganese dinitrogen complexes

Mechanisms, dinitrogen alkylation

Mercury dinitrogen complexes

Metal atoms dinitrogen

Molybdenum and tungsten, dinitrogen complexes

Molybdenum complexes dinitrogen

Molybdenum complexes dinitrogen activation

Nickel complexes dinitrogen

Niobium dinitrogen complex

Nitration aromatics with dinitrogen tetroxide

Nitration by dinitrogen pentoxide

Nitration by dinitrogen pentoxide in organic solvents

Nitrations with dinitrogen pentoxide

Nitrogen Trioxide (NO3), Dinitrogen Pentoxide

Nitrogen dinitrogen

Nitrogen dinitrogen pentoxide

Nitrogen dinitrogen review

Nitrogen dinitrogen tetrafluoride

Nitrogen dinitrogen tetroxide

Nitrogen dinitrogen trioxide

Nitrogen dioxide dinitrogen tetroxide from

Nitrogen dioxide equilibrium with dinitrogen tetroxide

Nitrogen dioxide, NO2, and dinitrogen tetroxide

Nitrogen fixation Dinitrogen complexes

Organometallic complexes dinitrogen complex

Osmium complexes dinitrogen-bridged

Our First Dinitrogen Complexes

Oxidation of dinitrogen

Oxidation with dinitrogen oxide

Oxidizers, propellant dinitrogen tetroxide

Oxidizing agents dinitrogen tetraoxide

Ozone reaction with dinitrogen tetroxide

Palladium dinitrogen complexes

Pentaammine(dinitrogen)osmium(II) Iodide

Phosphines dinitrogen

Photocatalytic ammonia synthesis by water and dinitrogen

Polynuclear Dinitrogen Complexes

Ponzio reaction dinitrogen tetroxide

Preparation and Reactions of Dinitrogen Tetroxide

Preparation of dinitrogen pentoxide

Protonation of the Coordinated Dinitrogen

Pyridine dinitrogen pentoxide

Rare dinitrogen activation

Reactions of Dinitrogen

Reduced dinitrogen intermediates

Reduction of dinitrogen

Reductive Dinitrogen Binding

Regulators of Dinitrogen Fixation

Rhenium complexes dinitrogen, transition metals

Rhenium dinitrogen complexes

Rhodium dinitrogen complexes

Ruthenium complexes dinitrogen activation

Ruthenium dinitrogen complexes

Subject dinitrogen

Tantalum dinitrogen activation

The Reactivity of Transition Metal Complexes with Dinitrogen

The Search for Reactions of Coordinated Dinitrogen

The Synthesis of Molybdenum and Tungsten Dinitrogen Complexes

The dinitrogen ligand

Thioanisole, oxidation, by dinitrogen

Thioanisole, oxidation, by dinitrogen reaction with sodium metaperiodate

Thioanisole, oxidation, by dinitrogen tetroxide

Thioanisole, oxidation, by dinitrogen to form methyl phenyl sulfoxide

Titanium complexes dinitrogen activation

Titanium complexes dinitrogen complex

Titanium complexes dinitrogen derivatives

Titanium dinitrogen complexes

Titanium dinitrogen derivatives

Transition metal complexes dinitrogen

Transition metal vapor cryochemistry dinitrogen complexes

Transition metal-catalyzed dinitrogen

Transition metal-catalyzed dinitrogen activation

Transition-metal-coordinated dinitrogen

TriSulfur dinitrogen dioxide

Tungsten complexes dinitrogen activation

Vanadium dinitrogen complexes

Vibrational spectra dinitrogen complexes

Zirconium complexes with dinitrogen

Zirconium dinitrogen complexes

Zirconium with dinitrogen bridges

Zirconocene-dinitrogen

© 2024 chempedia.info