Modern inorganic chemistry

196 GROUP IV are chemically (kinetically) inert and, unlike all other Group IV element tetrahalides, they are not hydrolysed by ...

GROUP IV 197 SiCl 4 + 2H 2 O -> 4HC1 + SiO 2 i Silica gel is again obtained but silicon does not form the corres- ponding hex ...

198 GROUP IV Tin TIN(ll) CHLORIDE This chloride is prepared by dissolving tin in concentrated hydro- chloric acid; on cooling, t ...

GROUP IV 199 Tin(II) chloride is slowly oxidised in air, but keeping a piece of tin metal in the solution prevents this. TIN(IV) ...

200 GROUP IV LEAD(II) IODIDE The solid has a layer structure (p. 434). Lead(II) iodide, like lead(II) chloride, is soluble in ho ...

GROUP IV 201 The covalent carbides: These include boron carbide B 4 C and silicon carbide SiC; the latter is made by heating a m ...

202 GROUP IV Carbon disulphide is an excellent solvent for fats, oils, rubber, sulphur, bromine and iodine, and is used industri ...

GROUP IV 203 of sulphuric acid. The lead plates are usually perforated and one is packed with lead(IV) oxide, the other with spo ...

204 GROUP IV as copper(II) oxide) yield carbon dioxide, which gives a precipitate of calcium carbonate when passed into aqueous ...

GROUP IV 205 bottom of Group IV tin and lead exhibit two oxidation states. Why are these elements not classified as "transition' ...

Group V (Nitrogen, phosphorus, arsenic, antimony, bismuth) Table 9.1 below gives some of the physical properties of Group V elem ...

GROUPV 207 Bi(OH) 3 is insoluble in alkali but readily soluble in acids to form salts. The outer quantum level of the Group V el ...

208 GROUP V plants from nitrogen compounds in the soil, usually with the help of bacteria although some plants can absorb and ut ...

GROUPV 209 These gases leave the furnace at about 600 K. pass through electro- static precipitators to remove dust, and the phos ...

210 GROUPV again to give the polymerised violet allotrope. Red phosphorus may have a structure intermediate between that of viol ...

GROUPV 211 Connections to induction coil Conical flask Platinum wire electrodes Figure 9.1 monoxide, NO. The combination caused ...

212 GROUPV the actual temperature depending on purity. Black phosphorus does not ignite until even higher temperatures. ARSENIC, ...

GROUPV 213 The phosphine produced is impure and contains small quantities of diphosphane, P 2 H 4 (p. 227). Arsenic, unlike phos ...

214 GROUPV COMPOUNDS OF GROUP V ELEMENTS HYDRIDES All Group V elements form covalent hydrides MH 3. Some physical data for the ...

GROUPV 215 and the production of ammonia is an exothermic process it can easily be deduced that high yields of ammonia will be o ...