Modern inorganic chemistry

336 GROUP VII: THE HALOGENS exposed to ultraviolet light or by the action of ozone on chlorine dioxide: 6C1O 2 + 2O 3 -> 3C1 ...

GROUP VII: THE HALOGENS 337 Iodine oxides fhere appears to be only one true oxide of iodine, diiodine pentoxide, I 2 O 5. It is ...

338 GROUP VII: THE HALOGENS can be displaced to the right by the removal of the halide ion. X ~~. or the hydrogen ion, H 3 O +. ...

GROUP VII: THE HALOGENS 339 Halic(IH) acids, HXO 2 Only chloric(III) acid, HC1O 2 , is definitely known to exist. It is formed a ...

340 GROUP VII: THE HALOGENS HALATE(V) SALTS Generally the solubility of a given metal halate decreases from chlorate(V) to iodat ...

GROUP VII: THE HALOGENS 341 Haifc(VII) acids The existence of chloric(VII), (perchloric), HC1O 4 , and several periodic(VII) aci ...

342 GROUP VII; THE HALOGENS CHLORATES(VII) These can be prepared by electrolytic oxidation of chlorates(V) or by neutralisation ...

GROUP VII: THE HALOGENS 343 Anhydrous halides, however, are obtained when the metal is heated with the dry hydrogen halide or th ...

344 GROUP VII: THE HALOGENS iodide, for example aluminium trifluoride, A1F 3 , is ionic but the remaining aluminium halides are ...

GROUP VII: THE HALOGENS 345 (a) FeCl 3 4- 6H 2 O -> [Fe(H 2 O) 6 ]^3 + + 3C1" [Fe(H 2 O) 6 ]^3 + + H 2 O ^ [Fe(H 2 0) 5 (OH)] ...

346 GROUP VII-THF HALOGENS only commercially available interhalogen compound) and bromine. BrF 3. These compounds, which react e ...

GROUP VII: THE HALOGENS 347 trifluoride, C1F 3 , cobalt(III) fluoride, CoF 3 , silver difluoride, AgF 2. Hydrofluoric acid is us ...

348 GROUP VII: THE HALOGENS whilst calcium and potassium bromates(V) are used in the malting industry to suppress root formation ...

GROUP VII: THE HALOGENS 349 If a chloride is heated with manganese(IV) oxide and concen- trated sulphuric acid, chlorine is evo ...

350 GROUP VII: THE HALOGENS Table 11.4 PRELIMINARY TESTS FOR HALIDE IONS Test Warm concentrated H 2 SO 4 on the dry solid Silver ...

GROUP VII: THE HALOGENS 351 is then recrystallised from 50 % nitric acid. The iodic acid is then heated at a temperature maintai ...

352 GROUP VII: THE HALOGENS (a) (i) What is the general chemical formula of the hydrides? (ii) What is the type of chemical bond ...

12 The noble gases (Helium neon, argon, krypton, xenon, radon) These elements were unknown when Mendeleef constructed his period ...

354 THE NOBLE GASES The increase in melting point and boiling point, and the very narrow liquid range. The large ionisation ene ...

THE NOBLE GASES 355 The other noble gases (except radon) are obtained from liquid air, which can readily be separated into liqui ...