Modern inorganic chemistry

356 THE NOBLE GASES powerful oxidising agents, for example xenate(VIII) will oxidise a manganese(II) salt to manganese(VII) salt ...

THE NOBLE GASES 357 tion to form a cage-like structure inside which one noble gas atom is imprisoned. This has been called a "cl ...

358 THE NOBLE GASES QUESTIONS The elements of Group O of the Periodic Classification are rare and inert/ Criticise this stateme ...

13 The transition elements (Scandium to zinc) PHYSICAL PROPERTIES OF THE ELEMENTS In the periodic table, the elements from scand ...

360 THE TRANSITION ELEMENTS copper shows many of the characteristic properties of transition elements, and zinc is, as it were, ...

THE TRANSITION ELEMENTS 361 Chapter 6). We note, however, that there is not a smooth increase in the magnitude of these properti ...

362 THE TRANSITION ELEMENTS CHEMICAL PROPERTIES OXIDATION STATES The transition elements are often said to exhibit "variable val ...

THE TRANSITION ELEMENTS 363 metal atom or ion and its oxidation state, (b) the number of surround ing ligands which may be ions, ...

364 THE TRANSITION ELEMENTS carbon monoxide (for example Ni(CO) 4 , Fe(CO) 5 ) and phosphorus trifluoride, PF 3 (for example Ni( ...

THE TRANSITION ELEMENTS 365 light by the Cu^2 + cation is not in the visible part of the spectrum, and the substance appears whi ...

366 THE TRANSITION ELEMENTS The ions Co2+ and Co^34 " have 7 and 6 d electrons respectively. Where there are orbitals of the sam ...

THE TRANSITION ELEMENTS 367 water ligands can be partly or completely displaced by addition of other ligands such as ammonia or ...

368 THE TRANSITION ELEMENTS Uf pink E yellow F * JNH 3 [Cou(CN) 5 H 2 O]^3 " *™1 [Co«(H 2 O) 6 ]^2 + red. G pink, aquo- I cation ...

THE TRANSITION ELEMENTS 369 Because the metal structure is 'locked' by these atoms, the result- ing compound is often much harde ...

370 THE TRANSITION ELEMENTS resistance to corrosion (use in chemical plant), and its retention of these properties up to about 8 ...

THE TRANSITION ELEMENTS 371 CHLORIDES The important halide is the tetrachloride, TiCl 4 , made from the dioxide as already state ...

372 THE TRANSITION ELEMENTS dioxide is not soluble in aqueous alkali, but with fused alkali gives a titanate, for example 2KOH + ...

THE TRANSITION ELEMENTS 373 TESTS FOR TITANIUM Aqueous solutions containing titanium(IV) give an orange-yellow colour on additio ...

374 THE TRANSITION ELEMENTS which readily melts and vaporises, to give a monomeric vapour with a pentagonal bipyramid structure ...

THE TRANSITION ELEMENTS 375 by hydrogensulphite. The VO^2 + (aq) cation is probably best repre- sented as [VO(H 2 O) 5 ]^2 + , w ...